USE 1956 1975
READ YEAR       Q        C        P
  
      1956     0.91     85.4     77.5
      1957     1.05     88.4     80.2
      1958     1.18     89.1     79.5
      1959     1.27     90.5     84.9
      1960     1.27     93.1     94.9
      1961     1.37     97.2     92.7
      1962     1.46    100.3     92.5
      1963     1.59    100.3     92.7
      1964     1.86    101.5     97.1
      1965     1.96    104.8     93.9
      1966     2.32    107.5    102.7
      1967     2.86    111.8    100.0
      1968     3.50    114.9    119.5
      1969     3.96    117.9    119.7
      1970     4.21    122.3    125.2
      1971     4.54    128.2    134.1
      1972     4.93    134.1    124.3
      1973     5.40    145.1    119.0
      1974     6.13    174.9    108.5
      1975     6.29    237.2    107.9