Year,realP,realD
1950,100.000,6.570
1951,112.541,6.899
1952,121.093,7.023
1953,121.314,7.036
1954,144.563,7.156
1955,197.885,8.074
1956,224.493,9.182
1957,206.862,8.998
1958,209.565,8.320
1959,258.266,8.342
1960,247.133,8.576
1961,290.299,8.651
1962,270.544,9.117
1963,299.067,9.480
1964,343.797,10.348
1965,366.614,10.998
1966,344.667,11.719
1967,360.504,11.536
1968,371.481,11.404
1969,349.180,11.313
1970,280.928,10.760
1971,317.873,9.981
1972,342.173,9.718
1973,316.914,9.698
1974,220.113,9.839
1975,209.760,9.041
1976,234.817,8.853
1977,212.245,9.806
1978,192.892,10.185
1979,185.841,10.166
1980,188.806,9.931
1981,184.508,9.594
1982,162.481,9.440
1983,210.946,9.282
1984,202.279,9.386
1985,227.435,9.666
1986,282.440,9.857
1987,330.709,10.186
1988,294.275,10.712
1989,341.008,11.765
1990,335.302,12.104
1991,361.758,11.721
1992,388.118,11.605
1993,409.169,11.375
1994,406.837,11.473
1995,465.506,11.917
1996,560.001,12.264
1997,712.195,12.606