N SE k 씼 1880 -0.56 -0.61 1881 -0.51 -0.53 1882 -0.43 -0.46 1883 -0.74 -0.78 1884 -0.83 -0.87 1885 -0.78 -0.84 1886 -0.63 -0.68 1887 -0.71 -0.73 -0.56 1888 -0.75 -0.84 -0.26 1889 -0.47 -0.54 -0.11 1890 -0.49 -0.49 -0.50 1891 -0.71 -0.71 -0.73 1892 -0.73 -0.74 -0.65 1893 -0.86 -0.88 -0.79 1894 -0.53 -0.44 -0.97 1895 -0.70 -0.71 -0.61 1896 -0.55 -0.57 -0.45 1897 -0.47 -0.47 -0.44 1898 -0.51 -0.49 -0.60 1899 -0.42 -0.39 -0.60 1900 -0.35 -0.35 -0.36 1901 -0.42 -0.38 -0.57 1902 -0.65 -0.66 -0.60 1903 -0.64 -0.60 -0.78 1904 -0.72 -0.69 -0.86 1905 -0.60 -0.54 -0.85 1906 -0.34 -0.31 -0.46 1907 -0.84 -0.87 -0.75 1908 -0.68 -0.65 -0.78 1909 -0.65 -0.63 -0.74 1910 -0.48 -0.46 -0.56 1911 -0.56 -0.52 -0.72 1912 -0.70 -0.82 -0.29 1913 -0.50 -0.50 -0.51 1914 -0.23 -0.25 -0.15 1915 -0.29 -0.33 -0.16 1916 -0.57 -0.57 -0.54 1917 -0.91 -0.89 -0.98 1918 -0.54 -0.49 -0.74 1919 -0.50 -0.58 -0.27 1920 -0.39 -0.34 -0.53 1921 -0.12 -0.020 -0.47 1922 -0.39 -0.36 -0.49 1923 -0.36 -0.30 -0.56 1924 -0.51 -0.45 -0.72 1925 -0.28 -0.16 -0.68 1926 -0.20 -0.20 -0.22 1927 -0.37 -0.34 -0.45 1928 -0.29 -0.33 -0.18 1929 -0.65 -0.69 -0.53 1930 -0.24 -0.20 -0.35 1931 -0.26 -0.22 -0.39 1932 -0.22 -0.21 -0.22 1933 -0.54 -0.60 -0.36 1934 -0.12 -0.050 -0.34 1935 -0.32 -0.30 -0.39 1936 -0.32 -0.34 -0.26 1937 -0.23 -0.22 -0.28 1938 0.050 0.10 -0.11 1939 -0.080 0.0100 -0.39 1940 -0.24 -0.26 -0.18 1941 -0.25 -0.23 -0.30 1942 -0.25 -0.28 -0.15 1943 -0.12 -0.030 -0.42 1944 -0.040 -0.0100 -0.12 1945 -0.32 -0.37 -0.18 1946 -0.20 -0.13 -0.40 1947 -0.19 -0.18 -0.25 1948 -0.10 -0.0100 -0.38 1949 -0.25 -0.19 -0.45 1950 -0.49 -0.49 -0.45 1951 -0.27 -0.26 -0.29 1952 -0.24 -0.27 -0.14 1953 -0.020 0.030 -0.17 1954 -0.37 -0.37 -0.36 1955 -0.33 -0.30 -0.42 1956 -0.69 -0.72 -0.61 1957 -0.25 -0.29 -0.14 1958 -0.10 -0.11 -0.090 1959 -0.19 -0.20 -0.17 1960 -0.25 -0.21 -0.36 1961 -0.10 -0.11 -0.090 1962 -0.12 -0.080 -0.23 1963 -0.11 -0.060 -0.23 1964 -0.48 -0.48 -0.45 1965 -0.40 -0.46 -0.25 1966 -0.30 -0.30 -0.31 1967 -0.28 -0.29 -0.26 1968 -0.39 -0.39 -0.40 1969 -0.35 -0.47 -0.030 1970 -0.24 -0.30 -0.080 1971 -0.32 -0.31 -0.36 1972 -0.39 -0.52 -0.040 1973 0.040 0.020 0.10 1974 -0.42 -0.41 -0.43 1975 -0.15 -0.090 -0.29 1976 -0.50 -0.52 -0.43 1977 0.0 -0.020 0.040 1978 -0.18 -0.20 -0.12 1979 -0.040 -0.080 0.030 1980 0.0 -0.060 0.15 1981 0.24 0.35 -0.020 1982 -0.14 -0.18 -0.030 1983 0.21 0.19 0.26 1984 -0.20 -0.22 -0.17 1985 -0.19 -0.27 0.030 1986 0.0 -0.020 0.050 1987 0.17 0.12 0.27 1988 0.28 0.29 0.26 1989 0.17 0.24 -0.0100 1990 0.43 0.53 0.18 1991 0.21 0.20 0.22 1992 -0.090 -0.12 0.0100 1993 -0.050 -0.080 0.060 1994 0.21 0.22 0.18 1995 0.35 0.43 0.080 1996 -0.020 -0.030 0.020 1997 0.28 0.33 0.13 1998 0.64 0.72 0.42 1999 0.40 0.52 0.030 2000 0.27 0.41 -0.14 2001 0.43 0.55 0.13 2002 0.54 0.64 0.29 2003 0.50 0.59 0.30