g 7aYEARN RAINN  1948 14.39 1949 20.60 1950 56.74 1951 49.36 1952 42.31 1953 44.08 1954 44.48 1955 37.92 1956 37.93 1957 47.37 1958 45.99 1959 26.12 1960 40.96 1961 33.54 1962 36.47 1963 38.61 1964 39.75 1965 30.58 1966 35.95 1967 32.04 1968 43.10 1969 43.96 1970 54.92 1971 36.86 1972 39.22 1973 47.38 1974 35.62 1975 48.19 1976 16.62 1977 29.58 1978 33.39 1979 39.15 1980 31.71 1981 46.63 1982 46.90 1983 73.00 1984 37.08 1985 19.78 1986 42.25 1987 37.60 1988 30.72 1989 30.74 1990 25.02 1991 25.35 1992 30.47 1993 37.65 1994 25.98 1995 57.35 1996 51.84 1997 31.23 1998 57.43 1999 31.86 2000 33.00 2001 34.00 2002 39.00