1948	1.214	0.243	0.1454	1.415	0.612
1949	1.354	0.26	0.2181	1.384	0.559
1950	1.569	0.278	0.3157	1.388	0.573
1951	1.948	0.297	0.394	1.55	0.564
1952	2.265	0.31	0.3559	1.802	0.574
1953	2.731	0.322	0.3593	1.926	0.711
1954	3.025	0.335	0.4025	1.964	0.776
1955	3.562	0.35	0.3961	2.116	0.827
1956	3.979	0.361	0.3822	2.435	0.8
1957	4.42	0.379	0.3045	2.707	0.921
1958	4.563	0.391	0.3284	2.706	1.067
1959	5.385	0.426	0.3856	2.846	1.083
1960	5.554	0.441	0.3193	3.089	1.481
1961	5.465	0.46	0.3079	3.122	1.736
1962	5.825	0.485	0.3783	3.184	1.926
1963	6.876	0.506	0.418	3.263	2.041
1964	7.823	0.538	0.5163	3.412	1.997
1965	9.12	0.564	0.5879	3.623	2.257
1966	10.512	0.586	0.5369	4.074	2.742
1967	13.02	0.622	0.4443	4.71	3.564
1968	15.261	0.666	0.3052	5.217	4.767
1969	16.313	0.731	0.2332	5.569	6.511
1970	16.002	0.831	0.1883	5.495	7.627
1971	15.876	0.906	0.2023	5.334	8.673
1972	16.662	1	0.2506	5.345	8.331
1973	17.014	1.056	0.2668	5.662	8.557
1974	19.305	1.131	0.2664	5.729	9.508
1975	18.721	1.247	0.2301	5.722	9.062
1976	19.25	1.375	0.3452	5.762	8.262
1977	20.647	1.544	0.4508	5.877	7.474
1978	22.726	1.703	0.5877	6.108	7.104
1979	23.619	1.779	0.5346	6.852	6.874