"year" "gnp" "invest" "cpi" "interest"
1968 873.4 133.3 82.54 5.16
1969 944 149.3 86.79 5.87
1970 992.7 144.2 91.45 5.95
1971 1077.6 166.4 96.01 4.88
1972 1185.9 195 100 4.5
1973 1326.4 229.8 105.75 6.44
1974 1434.2 228.7 115.08 7.83
1975 1549.2 206.1 125.79 6.25
1976 1718 257.9 132.34 5.5
1977 1918.3 324.1 140.05 5.46
1978 2163.9 386.6 150.42 7.46
1979 2417.8 423 163.42 10.28
1980 2633.1 402.3 178.64 11.77
1981 2937.7 471.5 195.51 13.42
1982 3057.5 421.9 207.23 11.02