1970     15.63     12.41     31.80     27.91     60.52     91.00     85.87    111.86    120.70     97.66     50.72     27.63
  1971     49.95     30.10     23.55     38.67    104.78     90.91     73.61     83.48    127.11    157.87     70.05     67.80
  1972     35.04     24.79     74.90     42.25     92.70     97.05    118.00     55.74     67.93     49.91     28.45     26.86
  1973     26.39     16.50     21.82     26.93     68.58     82.58     42.05     76.56    109.07     44.80     43.43     27.15
  1974     20.39     15.08     27.24     72.90     68.67    100.98    204.69     89.14     84.33     81.56     43.15     50.81
  1975     49.52     24.37     48.17     27.47     58.76    135.61    124.70    116.40     89.85     64.09     44.38     33.25
  1976     81.44     56.74     22.85     30.49     70.75     99.78    138.37    136.94    164.90     94.00     74.13     48.33
  1977     37.61     25.73     19.40     45.85     86.44    148.97    117.36    112.27    161.96     76.13     47.73     47.42
  1978     25.80     17.58     12.17     31.65     32.19     50.56    127.94     68.87     61.20     59.03     65.20     44.68
  1979     22.15     35.98     63.45     60.35     70.88     61.95     55.50    105.46    123.63     89.46     43.53     46.66
  1980     68.10     37.46     64.79     93.91     43.66     53.37    104.15    100.11     87.01     54.82     44.49    119.62
  1981     49.02     32.37     28.06     45.07     53.06    101.84    108.17     94.15     92.68     66.27     44.27     39.22
  1982     23.77     33.02     31.32     41.20     55.81     57.69     51.52     51.77     41.72     46.99     41.14     45.80
  1983     28.93     21.48     13.38     32.55     85.89     98.58     76.25     41.44     63.29     94.89     47.03     29.82
  1984     14.89     23.72     35.62     17.85     38.10     26.97     56.91     74.92     50.01     42.19     20.88     33.75
  1985     22.90     14.91     46.07     31.33     44.91     82.06    122.84    102.95     74.86     32.85     37.07     61.24
  1986     83.02     37.47     26.91     20.28     37.35     46.37    113.00    104.04    113.77     77.20     33.73     27.41
  1987     34.75     22.86     83.87     77.27     37.76     51.54     99.44     50.88     53.98     59.15     42.83     44.98
  1988     14.26     30.22     78.76     25.70     45.52     49.37    103.42     80.82    154.58     87.75     40.34     31.26
  1989     50.76     41.38     21.62     15.38     56.33    102.01     52.14     38.88    102.90     98.92     43.57     40.75
  1990     37.11     20.46     57.29     35.54     73.17     71.74    107.43    143.57     50.33     63.08     54.01     23.49
  1991     25.17     37.16     23.89     79.41     82.87     81.48     76.48    151.75     67.12     83.54     90.09     45.25
  1992     40.11     41.98     39.23     41.19     59.36     89.07    158.45    176.50    131.90    159.75     76.88     85.74
  1993     50.95     53.21     44.26     49.98     86.13    112.86     58.77     54.42     67.31     40.42     48.27     30.42
  1994     24.28     19.49     22.21     27.05     90.36    103.97    135.45    108.77    104.32     90.96    124.95     29.21