Year  Interest  Money   GNP
1966    4.5     480.0  2208.3
1967    4.19    524.3  2271.4 
1968    5.16    566.3  2365.6
1969    5.87    589.5  2423.3
1970    5.95    628.2  2416.2 
1971    4.88    712.8  2484.8
1972    4.50    805.2  2608.5
1973    6.44    861.0  2744.1
1974    7.83    908.4  2729.3
1975    6.25   1023.1  2695.0 
1976    5.50   1163.6  2826.7
1977    5.46   1286.6  2958.6
1978    7.46   1388.9  3115.2
1979   10.28   1497.9  3192.4
1980   11.77   1631.4  3187.1
1981   13.42   1794.4  3248.8
1982   11.02   1954.9  3166.0
1983    8.50   2188.8  3277.7
1984    8.80   2371.7  3492.0
1985    7.69   2563.6  3573.5