g.ÕDBWINUS0WATERYEARN NICASIODAMN NICASIOTOWNN  1954 27.97 1955 27.10 1956 46.26 1957 24.62 1958 54.98 1959 21.62 1960 23.68 1961 25.63 1962 34.82 1963 43.76 1964 25.36 1965 35.12 1966 30.89 1967 57.38 1968 30.57 1969 54.87 1970 50.45 1971 33.99 39.45 1972 22.50 21.88 1973 49.70 54.22 1974 44.27 52.85 1975 33.06 36.43 1976 17.92 16.48 1977 15.19 15.50 1978 48.55 51.79 1979 30.44 29.39 1980 43.79 40.78 1981 24.79 26.79 1982 60.26 61.23 1983 70.98 73.39 1984 34.85 33.28 1985 30.52 29.88 1986 50.56 48.50 1987 23.65 21.10 1988 27.35 25.96 1989 29.20 23.87 1990 23.29 20.62 1991 23.30 22.39 1992 29.88 30.56 1993 41.93 45.04 1994 24.09 25.28 1995 58.43 61.23 1996 43.35 41.93 1997 35.95 35.64 1998 66.28 66.16 1999 36.25