Year | Value | 1990 | 127.95465669322 | 1989 | 137.21379100264 | 1988 | 117.36228696253 | 1987 | 124.52415923378 | 1986 | 122.43132456636 | 1985 | 112.97675773514 | 1984 | 146.49082865768 | 1983 | 149.05722161116 | 1982 | 142.08202361887 | 1981 | 143.55555262468 | 1980 | 155.30163436811 | 1979 | 151.22249834644 | 1978 | 130.26528064691 | 1977 | 138.95491491575 | 1976 | 113.8119870921 | 1975 | 114.4184658589 | 1974 | 122.52501075002 | 1973 | 112.96744087217 | 1972 | 104.81054587562 | 1971 | 106.65174977695 | 1970 | 105.22535243361 | 1969 | 107.66140676143 | 1968 | 106.6259765625 | 1967 | 108.6024830141 | 1966 | 107.61531940818 | 1965 | 103.48670418265 | 1964 | 114.45557275842 | 1963 | 110.10423575576 | 1962 | 114.72000705594 | 1961 | 107.08544430494 | 1960 | 104.42973756128 |
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