1 1990 7.87 2.5 160 207.5 1 1991 7.18 2.5 138 295.5 1 1992 8.92 2.5 140 362.5 1 1993 7.31 2.5 127 338 1 1994 7.54 2.5 145 337.5 1 1995 4.51 2.5 123 207.2 1 1996 4.37 2.25 123 345 1 1997 7.27 2.15 87 222.8 2 1990 10.35 3.8 184 303.5 2 1991 10.21 3.8 151 206 2 1992 13.29 3.8 185 374.5 2 1993 18.58 3.8 262 421 2 1994 17.07 3.8 174 595.7 2 1995 16.61 4.25 244 234.8 2 1996 12.28 4.25 159 479 2 1997 14.2 3.75 133 170 3 1990 9.98 3.4 170 252 3 1991 10.44 4.3 148 444 3 1992 10.4 4.3 198 283.5 3 1993 8.92 4.3 189 287 3 1994 7.36 4.3 214 294 3 1995 10.17 2.8 119 361.8 3 1996 5.43 4.3 163 250.5 3 1997 10.95 3.55 147 246.5 4 1990 4.83 1.4 68 88 4 1991 3.13 1.4 88 52.5 4 1992 5.84 1.4 53 52.5 4 1993 4.88 1.4 75 71 4 1994 4.46 1.4 74 69.8 4 1995 4.37 1.4 85 116.5 4 1996 4.14 1.4 64 134.2 4 1997 3.91 1.4 53 104.7 5 1990 8.74 3.6 130 149.8 5 1991 9.19 3.6 152 204 5 1992 9.84 3.6 152 198.8 5 1993 10.95 3.6 163 218 5 1994 8 3.6 144 221.3 5 1995 8.92 3.4 180 146.6 5 1996 9.2 3.4 148 262.8 5 1997 11.04 3.1 224 164.3 6 1990 1.84 .5 34 21 6 1991 .97 .5 17 21 6 1992 1.7 .5 25 47.5 6 1993 1.24 .5 30 31 6 1994 1.56 .5 37 28.5 6 1995 1.47 .5 18 35.7 6 1996 1.01 .5 15 44.8 6 1997 1.84 .5 39 59.8 7 1990 7.36 1.75 91 243 7 1991 7.82 1.75 88 218 7 1992 7.59 1.75 82 309 7 1993 7.64 1.75 83 178 7 1994 6.58 1.75 93 240 7 1995 13.06 3.75 211 555 7 1996 9.94 3.75 141 415 7 1997 8.28 1.75 87 310 8 1990 6.67 1.7 114 154.6 8 1991 5.84 1.7 83 158.3 8 1992 4.55 1.7 102 191.8 8 1993 6.35 1.7 114 195 8 1994 5.84 1.7 100 172.5 8 1995 4.91 1.7 89 299.5 8 1996 4.28 1.7 144 210.2 8 1997 6.62 1.7 100 205.5 9 1990 9.2 3 211 166.4 9 1991 9.89 3 160 178.5 9 1992 9.89 3 141 253 9 1993 8.97 3 211 183 9 1994 8.42 3 136 210 9 1995 7.82 3 200 189 9 1996 7.82 3 97 231.8 9 1997 8.65 3 91 172 10 1990 9.29 3.4 193 253.8 10 1991 8.56 3.4 152 318.5 10 1992 12.19 3.4 175 283 10 1993 11.22 3.15 147 253 10 1994 5.7 2.7 141 283.5 10 1995 10.58 2.7 132 290.1 10 1996 8.6 2.7 180 331 10 1997 12.56 2.7 209 320.5 11 1990 .83 .55 36 40.2 11 1991 1.1 .55 49 71.8 11 1992 1.38 .6 33 55.5 11 1993 3.04 1.55 58 43 11 1994 1.98 1.55 50 43.5 11 1995 4 1.55 61 95.6 11 1996 1.93 1.55 59 82.1 11 1997 3.83 1.55 58 98.9 12 1990 .92 .2 13 16.8 12 1991 .92 .2 26 16.8 12 1992 .92 .2 15 37 12 1993 1.29 .2 11 24.8 12 1994 .78 .2 18 26.4 12 1995 1.17 .25 17 11.6 12 1996 1.43 .25 28 23.1 12 1997 1.7 .25 20 30.6 13 1990 3.91 1.25 80 66 13 1991 2.85 1.25 80 70.5 13 1992 3.96 1.25 81 73.5 13 1993 3.45 1.25 111 81 13 1994 3.04 1.25 84 147 13 1995 3.5 1.25 87 69.4 13 1996 3.65 1.25 54 135.5 13 1997 4.74 1.25 77 129.6 14 1990 7.45 3 155 135 14 1991 6.3 3 123 156.7 14 1992 6.39 3 97 121.5 14 1993 5.98 1.8 114 111 14 1994 5.29 1.8 84 97.5 14 1995 5.2 1.6 89 130 14 1996 5.06 1.4 63 101.8 14 1997 4.88 1.4 71 121.6 15 1990 .92 .3 15 31.5 15 1991 .92 .3 16 31.5 15 1992 .83 .3 21 30.3 15 1993 1.01 .3 20 20 15 1994 1.01 .3 21 21 15 1995 .97 .3 17 22.3 15 1996 .37 .3 13 27.9 15 1997 .69 .3 16 22.7 16 1990 1.15 .6 35 44 16 1991 2.12 .6 28 42 16 1992 2.35 .6 27 132 16 1993 1.84 .6 28 31 16 1994 2.21 .6 27 42 16 1995 2.3 .6 38 23.8 16 1996 1.79 .6 19 22.1 16 1997 1.98 .6 28 23.1 17 1990 10.81 4.05 279 286.6 17 1991 5.98 4.05 281 337 17 1992 16.47 4.05 250 536.5 17 1993 17.99 3.55 200 467 17 1994 19.92 3.55 216 414 17 1995 19.73 3.55 232 609.3 17 1996 10.12 3.55 179 1005.6 17 1997 14.03 3.55 144 445 18 1990 21.07 5.5 306 462 18 1991 18.12 5.5 286 506 18 1992 21.85 5.5 335 549 18 1993 20.24 5.5 304 569.6 18 1994 21.07 5.5 381 557.3 18 1995 26.54 7 436 845.1 18 1996 22.72 7 386 730.2 18 1997 31.1 7 407 624.9 19 1990 13.57 4 229 218 19 1991 15.32 4 208 218 19 1992 15.87 4 215 564 19 1993 6.21 4 206 352 19 1994 12.93 4 199 306 19 1995 16 4 217 378.6 19 1996 6.44 4 270 478 19 1997 21.7 4 192 515.5 20 1990 12.24 3.5 237 260.5 20 1991 13.11 3.5 197 316.6 20 1992 14.63 3.5 186 526 20 1993 12.42 3.5 175 437.3 20 1994 12.93 3.5 211 331.5 20 1995 12.37 3.5 224 428.1 20 1996 11.22 3.5 200 445 20 1997 14.81 3.5 212 391.7 21 1990 5.11 3 103 144.5 21 1991 5.84 3.5 129 312 21 1992 10.35 3.5 144 132 21 1993 4.46 3.5 112 106 21 1994 7.87 3.5 155 126 21 1995 14.16 3.5 180 260 21 1996 11.27 3.5 140 215.9 21 1997 9.43 3.5 176 199.5 22 1990 5.43 1.38 86 100.5 22 1991 4.28 1.38 95 100.5 22 1992 5.93 1.38 105 100.5 22 1993 6.44 1.38 120 99.5 22 1994 3.13 1.38 86 131.3 22 1995 3.68 1.38 110 140.5 22 1996 3.91 1.38 108 170.1 22 1997 4.6 1.38 63 192.5 23 1990 9.66 5.5 200 423.5 23 1991 12.88 5.5 204 599.5 23 1992 16.56 5.5 209 615.5 23 1993 8.28 5.5 178 532 23 1994 15.18 5.5 224 540 23 1995 18 5.5 274 745 23 1996 10.58 5.5 291 1030.9 23 1997 19.09 5.5 341 660 24 1990 7.22 2.7 122 190.5 24 1991 5.93 2.7 92 192.5 24 1992 10.07 2.7 142 234 24 1993 6.55 2.7 129 82 24 1994 3.91 2.7 139.5 202.8 24 1995 8.6 2.7 178 272.4 24 1996 4.88 2.7 134 179.5 24 1997 5.15 2.7 180 269 25 1990 12.47 4.5 194 490.5 25 1991 13.75 4.5 152 423.5 25 1992 14.9 4.5 185 427 25 1993 14.86 4.5 174 346.3 25 1994 8.6 4.5 220 577.5 25 1995 12.05 4.5 234 707.8 25 1996 10.44 4.5 176 335 25 1997 16.05 4.5 166 267.8 26 1990 3.17 1.1 61 80.9 26 1991 2.53 1.1 70 67 26 1992 4.32 1.1 74 105 26 1993 3.17 1.1 71 123 26 1994 4.09 1.1 45 121.5 26 1995 4.14 1.1 48 131.4 26 1996 3.22 1.1 43 120.2 26 1997 4.28 1.1 42 139.7 27 1990 5.06 2.5 117 274.5 27 1991 5.98 2.5 69 155.2 27 1992 8.92 2.5 105 332.5 27 1993 3.73 1.3 55 154 27 1994 2.76 1.3 54 87 27 1995 5.11 1.3 64 202.9 27 1996 3.31 1.3 67 197 27 1997 9.34 2.5 121 188.6 28 1990 5.52 1.4 78 128.8 28 1991 6.39 1.4 76 157 28 1992 6.53 1.4 94 123.5 28 1993 5.66 1.3 91 191 28 1994 5.29 1.3 77 144 28 1995 5.38 1.3 91 172.4 28 1996 2.53 .5 44 67.8 28 1997 2.76 .5 41 70.2 29 1990 4.14 2 84 63 29 1991 2.81 2 54 67 29 1992 3.04 2 42 42 29 1993 6.9 2 80 126 29 1994 3.17 2 90 73.5 29 1995 2.66 1.5 201 179.5 29 1996 3.63 1.5 68 143.9 29 1997 6.05 2 61 174 30 1990 2.69 2.5 30 65 30 1991 3.17 1.75 42 75.5 30 1992 .87 .4 29 10.5 30 1993 1.2 .4 26 20 30 1994 1.06 .4 20 21 30 1995 .95 .4 16 22.3 30 1996 1.06 .4 27 35.7 30 1997 .09 .25 8 13 31 1990 3.82 .75 39 44 31 1991 1.79 .75 45 44 31 1992 2.81 .75 35 42 31 1993 2.53 .75 72 56 31 1994 2.35 .75 33 31.5 31 1995 3.13 .75 31 69.8 31 1996 1.06 .75 27 48.1 31 1997 3.62 .75 22 48.1 32 1990 1.15 .81 25 67 32 1991 2.3 .81 31 67 32 1992 2.81 .81 32 54.5 32 1993 3.53 .81 72 69.3 32 1994 2.38 .81 37 67.2 32 1995 1.51 .61 51 70.6 32 1996 1.84 .61 30 90.5 32 1997 6.16 .81 43 73.2 33 1990 5.06 1.6 102 110.5 33 1991 5.06 1.6 102 120.5 33 1992 4.55 1.6 80 102 33 1993 2.3 .6 51 41 33 1994 5.15 1.4 52 132 33 1995 2.54 .6 29 91.3 33 1996 1.33 .6 23 57.6 33 1997 2.8 .6 35 47.7 34 1990 .69 1 29 21 34 1991 .64 1 22 21 34 1992 1.15 1 31 23 34 1993 1.66 1 63 10 34 1994 .6 1 18 10.5 34 1995 2 1 46 73.1 34 1996 1.89 1 48 83.9 34 1997 1.93 1 29 170.3 35 1990 12.65 3 191 306.5 35 1991 7.54 2 89 157.5 35 1992 6.95 2 122 105 35 1993 6.49 2 121 111 35 1994 5.61 2 135 261 35 1995 7.77 2.4 153 256 35 1996 8.91 2.4 146 224.9 35 1997 10.72 2.4 136 216.3 36 1990 2.07 1.1 101 125.5 36 1991 3.08 1.1 79 102.4 36 1992 2.94 1.1 69 67 36 1993 4.83 2.1 104 165 36 1994 4.83 2.1 121 133.5 36 1995 4.83 2.1 92 118 36 1996 3.82 2.1 89 138.3 36 1997 7.64 2.1 86 204.4 37 1990 3.68 1 73 113 37 1991 2.3 1 51 115 37 1992 3.27 1 62 68.5 37 1993 2.3 1 59 66 37 1994 1.43 1 61 135 37 1995 6.58 1 57 3.4 37 1996 2.53 1 43 135.7 37 1997 4.23 1 52 109.8 38 1990 5.06 1 58 145 38 1991 5.29 1 74 144.5 38 1992 5.52 1 51 194.5 38 1993 5.75 1 59 264 38 1994 3.17 1 60 63 38 1995 3.91 1 61 121.4 38 1996 2.21 1 43 44 38 1997 3.22 1 54 67.5 39 1990 17.02 4.6 246 249 39 1991 13.71 4.6 236 262 39 1992 16.24 4.6 219 375.5 39 1993 12.17 4.6 139 193 39 1994 9.89 4.6 194 379.5 39 1995 2.9 .6 37 69.7 39 1996 2.35 .6 33 68.2 39 1997 3.68 .6 26 73.4 40 1990 1.38 .8 46 33.5 40 1991 .92 .8 30 33.5 40 1992 1.38 .8 27 21 40 1993 1.84 .8 34 20 40 1994 1.61 .4 22 21 40 1995 1.53 .4 20 31.9 40 1996 1.1 .4 27 46.1 40 1997 1.52 .8 26 24.4 41 1990 3.96 1.75 113 167.5 41 1991 3.36 1.75 99 167.5 41 1992 4 1.75 78 151 41 1993 4.46 1.75 99 151.5 41 1994 4.83 1.75 124 150 41 1995 5.11 1.75 157 149 41 1996 2.76 1.5 78 156.3 41 1997 5.5 1.75 62 180.9 42 1990 4.14 1.3 80 79.5 42 1991 5.06 1.3 70 67 42 1992 5.06 1.3 73 68.5 42 1993 3.68 1.3 62 30 42 1994 2.3 1.3 50 31.5 42 1995 4.6 1.3 74 22.7 42 1996 2.76 1.3 50 36.5 42 1997 5.29 1.3 52 54.2 43 1990 8.6 2.3 76 109 43 1991 7.64 2.3 85 132 43 1992 7.54 2.3 83 161 43 1993 5.11 2.3 60 114.9 43 1994 3.59 1.65 62 99.8 43 1995 7.22 2.3 126 237 43 1996 4.97 2.3 74 157.1 43 1997 7.68 2.3 82 205 44 1990 1.79 1.5 87 94.5 44 1991 1.75 1.5 90 115.5 44 1992 2.71 1 66 70.3 44 1993 3.31 2 67 68 44 1994 5.61 2 96 94.5 44 1995 7.78 1.75 97 129.4 44 1996 3.7 1.75 35 107.1 44 1997 7.73 2 82 118.4