1948   19.70   13.20   10.70   15.50   18.10   25.70   47.20   78.80  121.00   80.90   42.10   27.50
       1949   13.00   21.50   18.10   12.50   12.90   15.30   29.00   53.70   37.20   30.40   25.40   20.90
       1950   13.90   14.00    9.15    7.42   12.42   13.36   23.38   43.00   76.12   43.40   28.40   20.20
       1951   14.40   11.50   12.90   17.70   15.60   16.30   22.20   47.60   57.70   43.40   26.00   18.00
       1952   13.80   13.40   13.76   12.17   12.74   19.20   26.19   59.00   77.20   47.40   37.90   23.90
       1953   16.70   14.10   15.90   14.10   27.80   42.10   44.50  125.00  179.00  126.00   77.00   37.50
       1954   20.10   14.20   14.80   12.00   14.90   19.70   24.00   57.70   61.30   54.10   33.90   21.00
       1955   13.50   13.70   16.05   16.32   15.07   17.30   23.60   54.20   54.90   36.80   30.10   20.10
       1956   13.30   15.47    9.70    9.26   11.80   14.80   21.20   35.40   30.50   32.50   25.40   19.50
       1957   13.70   16.70   17.10   14.20   16.30   16.60   24.20   43.30   60.00   42.30   24.60   21.00
       1958   14.50   11.70   16.10   13.30   10.90   14.90   35.40   42.90   40.10   29.70   27.10   20.40
       1959   13.70   18.79   14.87   14.50   18.87   22.30   25.80   49.40   69.34   41.36   31.40   19.70
       1960   12.20    8.61   13.10   11.30   13.40   16.40   30.60   73.20   83.70   44.60   32.10   28.30
       1961   14.60   10.90   13.04   12.90   14.50   18.10   45.50   85.70   96.70   52.80   46.97   26.34
       1962   16.10   11.70   12.50   15.20   15.30   16.50   32.90   77.30   67.80   40.90   31.40   20.90
       1963   12.70   10.00   10.40   15.20   13.60   27.70   33.20   43.30  149.00  134.35   63.70   32.20
       1964   19.00   13.60   10.80    9.30    8.69   11.30   14.20   18.30   20.20   25.60   23.10   19.30
       1965   15.00    8.55    7.38   10.06   25.80   27.70   47.80   95.60   83.70   91.50   46.70   26.60
       1966   15.80   11.60   10.90   14.00   13.40   20.20   29.20   52.20   53.40   46.30   35.60   20.60
       1967   14.00   10.00    8.88    9.06    6.78    9.07   16.20   22.20   33.20   25.80   22.60   13.80
       1968    9.07    6.94    6.23    5.91    5.85    6.57    7.41   15.50   16.20   21.90   19.30    9.12
       1969    6.44    5.58    7.34    4.86    6.20    8.71   11.20   36.20   71.10   40.80   31.30   19.00
       1970   11.40    9.43    8.64   10.68   10.90   12.40   23.40   47.30   46.40   32.20   26.50   15.30
       1971    9.56    7.40    5.68    9.87   11.70   15.70   30.30   63.30   45.00   36.40   26.60   14.10
       1972   10.00   17.50   25.40   20.70   25.30   36.40   41.40   75.70  189.00  179.00   97.30   57.70
       1973   28.40   18.80   16.90   18.70   16.90   14.77   23.80   52.90   57.20   64.80   40.80   27.30
       1974   17.30   12.70   15.70   20.20   18.60   18.40   40.10   65.90   72.30   72.80   39.60   24.10
       1975   15.40   11.20   10.30   11.40   13.80   17.80   23.70   32.10   53.90   40.00   25.90   18.50
       1976   13.60    9.58    9.40    8.07    8.24   11.10   17.30   52.64   55.55   43.80   26.50   20.90
       1977   11.70   10.60   10.90   18.30   22.70   42.77   57.50   88.69  123.00   74.10   46.70   27.10
       1978   16.60   13.00   11.40   24.70   23.10   22.84   45.00   90.30  168.00  125.00   56.30   32.40
       1979   18.60   15.10   11.30   10.50   14.10   18.60   28.80   38.80   59.90   62.90   40.40   31.70
       1980   37.40   24.42   23.00   22.40   23.90   25.80   38.80   65.90  111.00   70.50   54.80   33.90
       1981   19.10   18.90   15.40   10.90   12.40   12.60   20.10   37.30   33.10   34.40   26.20   16.40
       1982   13.80   14.10   27.20   39.90   32.80   45.00   50.60   88.70  182.00  166.00  113.00   54.70
       1983   28.90   18.90   15.50   17.80   19.80   20.00   54.40   91.40  116.00   75.00   49.70   26.50
       1984   17.30   12.70   10.00   17.30   18.60   24.90   65.00   89.50  118.00  101.00   63.20   47.10
       1985   24.60   18.90   15.60   16.30   14.50   12.49   21.00   58.00   57.40   45.10   34.60   23.30
       1986   16.30   14.50   47.60   24.90   22.20   25.60   42.00   78.30  148.00  101.00   61.50   37.70
       1987   19.20   14.50   18.43   39.80   50.00   35.60   55.00  147.00  176.00  150.00   79.00   44.80
       1988   24.70   15.20   11.00    9.47   10.40   10.50   18.50   33.90   33.00   32.30   30.20   17.40