Year Total
1801 0
1802 0
1803 0
1804 0
1805 0
1806 0
1807 0
1808 0
1809 0
1810 0
1811 0
1812 0
1813 0
1814 0
1815 0
1816 0
1817 0
1818 0
1819 0
1820 0
1821 3.94
1822 3.922
1823 3.901
1824 3.924
1825 3.941
1826 3.91
1827 3.919
1828 3.924
1829 3.924
1830 3.921
1831 3.914
1832 3.938
1833 3.923
1834 3.905
1835 3.917
1836 3.924
1837 3.926
1838 3.925
1839 3.919
1840 3.911
1841 3.925
1842 3.933
1843 3.914
1844 3.938
1845 3.912
1846 3.927
1847 3.917
1848 3.924
1849 3.926
1850 3.924
1851 3.919
1852 3.91
1853 3.933
1854 3.916
1855 1.777
1856 1.791
1857 1.774
1858 1.788
1859 1.786
1860 1.784
1861 1.782
1862 -0.594
1863 -0.6054
1864 -0.6021
1865 -0.5986
1866 -0.5949
1867 -0.6063
1868 -0.6024
1869 -0.5982
1870 -0.5938
1871 -0.6052
1872 -1.476
1873 -1.481
1874 -1.469
1875 -1.473
1876 -1.476
1877 -1.479
1878 -1.462
1879 -1.482
1880 -1.464
1881 -1.482
1882 -2.191
1883 -2.182
1884 -2.191
1885 -2.2
1886 -2.185
1887 -2.189
1888 -2.192
1889 -2.193
1890 -2.192
1891 -2.19
1892 -1.206
1893 -1.182
1894 -1.209
1895 -1.183
1896 -1.211
1897 -1.184
1898 -1.183
1899 -1.21
1900 -1.18
1901 -1.208
1902 1.047
1903 1.074
1904 1.071
1905 1.067
1906 1.064
1907 1.06
1908 1.057
1909 1.053
1910 1.05
1911 1.075
1912 1.043
1913 1.011
1914 1.288
1915 1.285
1916 1.282
1917 1.279
1918 1.276
1919 1.272
1920 1.269
1921 1.294
1922 1.998
1923 2.009
1924 1.993
1925 2.003
1926 2.013
1927 1.996
1928 2.006
1929 2.014
1930 1.998
1931 2.006
1932 1.894
1933 1.904
1934 1.89
1935 1.9
1936 1.886
1937 1.896
1938 1.904
1939 1.891
1940 1.899
1941 1.907
1942 1.893
1943 1.901
1944 1.887
1945 1.894
1946 1.901
1947 0.5779
1948 0.5777
1949 0.5775
1950 0.5773
1951 1.387
1952 0.7994
1953 0.3771
1954 0.1338
1955 0.00863
1956 -0.05773
1957 -0.06376
1958 -0.06989
1959 -0.07612
1960 -0.08244
1961 -0.08887
1962 -0.03111
1963 0.1576
1964 0.5018
1965 0.9365
1966 1.414
1967 1.883
1968 2.126
1969 2.275
1970 2.21
1971 2.167
1972 2.127
1973 2.028
1974 1.874
1975 1.687
1976 1.448
1977 1.214
1978 1.136
1979 1.191
1980 1.376
1981 1.596
1982 1.718
1983 1.744
1984 1.553
1985 1.24
1986 0.8799
1987 0.5939
1988 0.3256
1989 0.1266
1990 -0.02139
1991 -0.1724
1992 -0.3455
1993 -0.394
1994 -0.3689
1995 -0.2481
1996 -0.066
1997 0.08219
1998 0.09756
1999 -0.0626
2000 -10.41
2001 12.33
2002 10.65
2003 -3.108
2004 1.679
2005 -9.63