1901 0.1358 1902 0.9670 1903 0.4709 1904 0.4548 1905 1.2640 1906 0.8679 1907 0.5768 1908 0.2655 1909 -0.4394 1910 -0.4654 1911 -0.7324 1912 0.3542 1913 0.3110 1914 -0.1941 1915 0.3650 1916 -1.2769 1917 -0.8294 1918 0.1001 1919 -0.1428 1920 -0.7020 1921 -0.9102 1922 -0.7433 1923 0.1128 1924 -0.5007 1925 0.0048 1926 1.8221 1927 0.1465 1928 0.0477 1929 0.4807 1930 0.3849 1931 1.1311 1932 -0.3365 1933 -1.4247 1934 0.7140 1935 0.4048 1936 1.3805 1937 -0.0441 1938 0.1150 1939 -0.2049 1940 1.7601 1941 2.3380 1942 0.7304 1943 -0.0402 1944 -0.5005 1945 -0.1381 1946 -0.2540 1947 0.5128 1948 -0.6260 1949 -1.4835 1950 -1.7459 1951 -0.5980 1952 -1.0992 1953 -0.3591 1954 -0.0562 1955 -1.8390 1956 -1.5763 1957 0.3707 1958 0.8657 1959 0.5366 1960 0.1947 1961 -0.2780 1962 -0.9635 1963 -0.1326 1964 -0.7986 1965 -0.2079 1966 -0.3224 1967 -0.5374 1968 -0.0176 1969 -0.1914 1970 -0.2986 1971 -1.3758 1972 -1.1182 1973 -0.9046 1974 -0.2579 1975 -1.3160 1976 -0.2450 1977 0.2519 1978 0.2131 1979 0.2750 1980 0.4146 1981 1.0098 1982 -0.1086 1983 1.2189 1984 0.7825 1985 0.1431 1986 1.1626 1987 1.2572 1988 0.2037 1989 -0.2365 1990 -0.3935 1991 -0.5269 1992 0.8784 1993 1.1015 1994 -0.2369 1995 0.5929 1996 0.7947 1997 1.3842 1998 -0.0441 1999 -1.4465 2000 -0.6500 2001 -0.6562 2002 -0.1883 2003 0.5305 2004 0.0940 2005 0.1411 2006 -0.0590 2007 -0.4126 2008 -1.2108 2009 -0.6290 2010 -0.7844 2011 -1.6020 2012 -1.3522 2013 -0.7440 2014 0.9973 2015 1.4544 2016 1.1394 2017 0.3222 2018 0.0484 2019 0.4778 2020 -0.3840 2021 -1.1429 2022 -1.2009