1963 -999 -999 976.6 980.8 984.7 983.0 980.2 994.3 986.5 980.0 975.4 985.1 1964 990.2 986.3 979.2 976.1 975.9 996.8 997.8 976.6 973.4 975.9 983.6 984.8 1965 988.3 992.8 980.9 982.0 986.8 985.3 983.8 982.5 979.4 978.9 974.5 990.1 1966 983.5 986.8 986.1 981.9 986.4 983.4 988.2 974.1 977.4 974.2 984.4 984.7 1967 989.8 991.2 981.7 980.3 984.0 983.3 982.6 980.0 979.7 981.9 983.5 982.6 1968 986.0 986.5 983.8 980.9 986.7 986.5 977.5 977.5 973.6 978.9 983.1 985.9 1969 991.1 986.6 979.8 986.2 983.1 993.1 975.1 974.6 977.2 984.8 980.8 983.3 1970 980.9 982.4 979.5 981.8 980.0 984.6 979.9 976.0 983.4 979.9 984.1 988.8 1971 988.3 981.7 981.3 985.0 991.9 978.6 984.1 979.4 983.1 978.5 982.3 987.5 1972 988.3 985.2 986.5 988.8 986.8 990.6 984.4 988.2 982.2 978.4 976.7 988.9 1973 989.8 984.2 975.3 980.2 985.8 985.0 981.9 977.0 979.5 977.6 979.0 980.0 1974 986.8 979.7 980.2 984.5 986.6 984.0 983.1 990.4 976.0 978.4 985.9 989.2 1975 987.5 985.4 984.5 978.1 991.6 986.7 989.3 978.6 975.7 975.1 978.0 988.5 1976 987.8 982.7 980.8 974.0 976.1 986.5 979.7 979.3 975.4 975.2 988.8 996.8 1977 988.4 984.5 982.3 984.5 985.7 988.0 984.7 984.3 975.0 976.0 978.6 983.0 1978 981.5 982.9 983.4 978.3 982.6 982.1 986.5 972.3 977.7 981.9 981.3 984.4 1979 981.9 982.3 978.6 981.1 976.2 980.1 972.5 975.2 972.5 979.5 981.0 989.1 1980 984.4 985.3 985.8 984.3 984.3 978.5 984.4 985.0 982.5 976.1 984.2 984.7 1981 985.3 981.4 985.2 987.0 982.3 981.9 991.3 988.1 981.1 977.7 978.8 977.3 1982 988.8 981.0 973.8 976.4 980.2 978.5 981.1 981.0 973.8 981.8 986.0 992.3 1983 986.0 986.6 981.4 978.9 985.4 984.9 978.7 978.3 976.7 976.6 978.4 980.9 1984 987.4 985.1 979.7 981.2 986.3 984.4 982.4 984.7 977.0 977.0 982.4 990.3 1985 987.4 982.1 981.6 983.4 984.1 985.3 973.4 977.9 975.8 974.9 974.8 978.2 1986 984.8 988.3 984.1 977.2 989.2 987.7 976.7 982.7 968.8 975.9 978.2 980.0 1987 989.7 983.9 980.9 981.5 984.8 983.8 985.5 972.7 982.5 975.0 973.6 983.2 1988 986.3 981.3 984.4 981.1 986.7 995.9 974.5 978.9 983.5 989.1 978.5 982.8 1989 987.3 980.0 982.5 985.7 973.6 977.0 975.1 980.8 982.5 976.2 982.3 982.8 1990 985.1 980.0 981.8 987.1 993.0 986.9 989.8 977.5 972.7 981.4 982.4 981.4 1991 978.5 986.6 977.6 979.8 979.4 987.8 984.4 976.9 981.6 975.9 982.5 992.2 1992 986.1 986.8 982.9 981.7 989.0 990.4 979.1 975.3 976.9 978.8 974.5 982.4 1993 990.2 981.4 980.2 981.0 977.6 979.7 975.9 973.2 976.2 976.2 979.0 978.7 1994 982.4 978.9 975.3 982.6 983.3 991.1 981.9 977.1 979.7 976.7 984.4 977.2 1995 980.9 981.3 981.3 981.4 977.7 985.4 986.8 984.7 969.3 980.1 983.3 979.4 1996 985.4 985.3 977.9 979.8 978.8 982.8 986.6 983.2 991.1 976.4 986.9 985.1 1997 984.9 981.1 973.6 982.0 977.7 988.2 977.2 977.1 982.7 979.3 990.9 985.1 1998 981.3 979.5 977.9 969.3 978.4 978.2 975.5 975.9 980.7 978.8 971.5 979.1 1999 983.6 983.4 979.6 976.0 976.1 992.5 -999 -999 -999 -999 -999 -999 2013 0.3 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 982.5