1958 -32.1 -38.4 -42.9 -48.2 -43.5 -53.3 -45.5 -56.8 -55.6 -47.6 -38.4 -32.6 1959 -33.2 -36.6 -40.9 -43.8 -46.9 -50.1 -49.6 -52.0 -59.7 -48.0 -40.1 -31.1 1960 -33.0 -35.8 -51.0 -47.4 -50.1 -55.2 -54.4 -50.3 -54.5 -45.7 -37.6 -32.1 1961 -33.2 -37.3 -44.7 -49.2 -46.0 -44.1 -49.5 -53.4 -49.4 -48.9 -39.8 -33.9 1962 -34.4 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 1963 -999 -999 -999 -999 -47.0 -49.7 -46.1 -43.4 -44.1 -49.9 -41.9 -33.5 1964 -31.8 -38.5 -45.9 -48.2 -51.8 -41.4 -45.5 -41.3 -52.3 -45.0 -35.1 -31.0 1965 -31.8 -31.6 -44.1 -46.6 -41.5 -47.6 -46.2 -43.4 -46.1 -42.6 -37.7 -31.7 1966 -33.8 -35.9 -39.0 -49.2 -47.5 -52.6 -46.4 -64.1 -54.6 -47.2 -38.4 -31.6 1967 -29.5 -36.1 -38.6 -44.2 -48.0 -45.8 -45.0 -56.2 -49.6 -49.2 -33.9 -30.3 1968 -31.6 -36.6 -41.5 -43.7 -44.6 -42.7 -52.3 -48.2 -55.3 -41.2 -36.1 -32.7 1969 -30.0 -34.1 -46.0 -45.0 -50.5 -41.1 -60.3 -57.3 -58.3 -44.1 -38.9 -32.3 1970 -31.0 -35.5 -40.9 -40.4 -45.2 -44.2 -45.1 -58.6 -46.6 -41.8 -38.5 -31.2 1971 -29.1 -32.7 -41.8 -42.0 -40.4 -46.6 -50.5 -46.2 -47.2 -43.0 -39.7 -29.9 1972 -28.8 -34.2 -40.2 -42.5 -45.1 -42.7 -49.0 -42.5 -46.7 -46.8 -36.8 -33.2 1973 -32.5 -35.4 -45.7 -40.1 -43.6 -45.5 -48.7 -53.1 -49.6 -44.6 -35.3 -32.3 1974 -26.3 -37.4 -47.1 -47.0 -48.0 -41.6 -47.1 -43.6 -53.4 -39.2 -35.5 -30.4 1975 -29.7 -37.0 -39.9 -47.3 -40.0 -45.0 -46.9 -58.2 -57.1 -45.2 -35.8 -31.5 1976 -30.6 -36.8 -41.7 -47.4 -47.6 -43.8 -44.2 -46.9 -49.3 -41.7 -35.7 -28.9 1977 -29.3 -35.4 -42.2 -50.2 -42.3 -46.4 -45.3 -48.4 -60.5 -54.6 -41.3 -29.1 1978 -33.4 -34.1 -38.9 -43.2 -42.4 -43.7 -40.4 -58.7 -49.2 -47.3 -36.4 -29.9 1979 -30.2 -37.1 -43.4 -41.3 -48.4 -47.5 -57.6 -51.6 -45.7 -45.8 -37.6 -30.1 1980 -29.6 -34.2 -37.0 -37.6 -46.1 -46.0 -42.1 -42.8 -44.7 -51.9 -35.7 -30.7 1981 -31.1 -35.2 -38.1 -53.2 -51.7 -48.5 -43.1 -38.1 -44.8 -48.4 -39.5 -31.7 1982 -30.4 -37.3 -59.7 -64.5 -999 -999 -999 -999 -999 -999 -999 -999 1983 -999 -999 -999 -44.2 -44.6 -46.7 -59.8 -49.0 -46.2 -47.4 -42.6 -31.9 1984 -30.2 -36.5 -38.3 -40.1 -40.2 -47.5 -46.1 -44.5 -45.0 -48.0 -36.2 -30.1 1985 -29.2 -38.8 -39.5 -41.4 -45.4 -43.8 -55.3 -45.6 -48.7 -44.1 -39.0 -32.4 1986 -29.6 -30.5 -41.8 -47.5 -43.5 -53.0 -52.6 -50.5 -51.0 -45.2 -38.1 -31.0 1987 -29.7 -37.4 -41.6 -44.0 -45.9 -40.3 -41.5 -61.2 -44.5 -44.9 -37.6 -31.5 1988 -30.6 -37.7 -39.8 -46.3 -42.3 -41.1 -51.8 -48.1 -46.2 -39.6 -38.5 -32.7 1989 -32.6 -37.0 -42.4 -45.5 -52.7 -48.7 -49.4 -46.3 -42.0 -43.1 -38.2 -27.6 1990 -29.0 -36.6 -41.7 -42.1 -42.2 -44.1 -42.1 -47.6 -55.1 -43.7 -35.3 -28.0 1991 -31.0 -32.3 -41.1 -39.7 -50.3 -39.6 -39.7 -46.1 -48.0 -47.4 -37.3 -29.3 1992 -30.5 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999