Year   AO  GNP  CP   OP
 1974 .0022 183  2322 189
 1975 .0024 238  2729 206
 1976 .0027 319  3069 206
 1977 .0035 408  2763 190
 1978 .0050 540  2414 199
 1979 .0064 676  2440 233
 1980 .0065 785  2430 630
 1981 .0069 944  2631 740
 1982 .0078 1036 3155 740
 1983 .0095 1171 3200 660