LINEAR TREND ANALYSIS

     CONSTANT OF REGRESSION A=   40.7602
     COEFFICIENT OF REGRESSION B=    -.0182
     CORRELATION COEFFICIENT R=    -.3395
     --------------------
  1951   4.76   5.30
  1952   4.22   5.28
  1953   5.37   5.26
  1954   6.13   5.24
  1955   4.82   5.23
  1956   6.82   5.21
  1957   4.98   5.19
  1958   5.19   5.17
  1959   5.24   5.15
  1960   4.84   5.13
  1961   4.49   5.12
  1962   4.90   5.10
  1963   6.87   5.08
  1964   6.27   5.06
  1965   4.57   5.04
  1966   4.61   5.03
  1967   4.88   5.01
  1968   3.75   4.99
  1969   4.79   4.97
  1970   4.80   4.95
  1971   6.02   4.93
  1972   4.04   4.92
  1973   5.53   4.90
  1974   4.83   4.88
  1975   4.80   4.86
  1976   5.12   4.84
  1977   4.88   4.83
  1978   4.63   4.81
  1979   5.08   4.79
  1980   4.37   4.77
  1981   4.08   4.75
  1982   4.98   4.73
  1983   4.38   4.72
  1984   4.90   4.70
  1985   4.28   4.68
  1986   3.71   4.66
  1987   4.57   4.64
  1988   4.51   4.63
  1989   4.39   4.61
  1990   5.59   4.59
  1991   4.88   4.57
  1992   3.75   4.55
  1993   4.67   4.53
  1994   4.86   4.52
  1995   5.27   4.50