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 0.6608
1822 0.6608
1823 0.6608
1824 0.6608
1825 0.6608
1826 0.6608
1827 0.6608
1828 0.6608
1829 0.6608
1830 0.6608
1831 0.6608
1832 0.6608
1833 0.6608
1834 0.6608
1835 0.6608
1836 0.6608
1837 0.6608
1838 0.6608
1839 0.6608
1840 0.6608
1841 0.6608
1842 0.6608
1843 0.6608
1844 0.6608
1845 0.6608
1846 0.6608
1847 0.6608
1848 0.6608
1849 0.6608
1850 0.6608
1851 0.6608
1852 0.6608
1853 0.6608
1854 0.6608
1855 0.6608
1856 0.6608
1857 0.6608
1858 0.6608
1859 0.6608
1860 0.6608
1861 0.6608
1862 0.6608
1863 0.6608
1864 0.6608
1865 0.6608
1866 0.6608
1867 0.6608
1868 0.6608
1869 0.6608
1870 0.6608
1871 0.6608
1872 -1.668
1873 -1.677
1874 -1.67
1875 -1.676
1876 -1.666
1877 -1.67
1878 -1.674
1879 -1.676
1880 -1.659
1881 -1.677
1882 -0.7637
1883 -0.7456
1884 -0.7655
1885 -0.7464
1886 -0.7462
1887 -0.7662
1888 -0.7453
1889 -0.7652
1890 -0.7432
1891 -0.7631
1892 1.295
1893 1.291
1894 1.309
1895 1.305
1896 1.301
1897 1.297
1898 1.293
1899 1.289
1900 1.306
1901 1.302
1902 2.017
1903 2.019
1904 2.001
1905 2.023
1906 2.004
1907 2.025
1908 2.007
1909 2.008
1910 2.027
1911 2.009
1912 -0.2739
1913 -0.2827
1914 1.217
1915 1.208
1916 1.218
1917 1.209
1918 1.22
1919 1.211
1920 1.222
1921 1.213
1922 3.167
1923 3.157
1924 3.167
1925 3.158
1926 3.167
1927 3.158
1928 3.148
1929 3.176
1930 3.148
1931 3.175
1932 3.147
1933 3.174
1934 3.164
1935 3.154
1936 3.162
1937 3.153
1938 3.177
1939 3.15
1940 3.158
1941 3.165
1942 3.172
1943 3.162
1944 3.152
1945 3.159
1946 3.165
1947 5.67
1948 5.691
1949 5.676
1950 5.673
1951 2.989
1952 2.805
1953 2.68
1954 2.664
1955 2.675
1956 2.765
1957 2.868
1958 3.074
1959 3.249
1960 3.508
1961 3.746
1962 3.973
1963 4.151
1964 4.307
1965 4.381
1966 4.474
1967 4.536
1968 4.493
1969 4.333
1970 4.118
1971 -9.928
1972 0.04887
1973 5.54
1974 9.757
1975 4.505
1976 -0.3561
1977 1.84
1978 7.653
1979 11.64
1980 14.05
1981 0.6342
1982 2.283
1983 5.856
1984 5.567
1985 1.365
1986 3.818
1987 14.68
1988 11.26
1989 8.638
1990 37
1991 36.06
1992 36.54
1993 38.44
1994 33.33
1995 34.79
1996 11.17
1997 10.51
1998 10.35
1999 9.568
2000 13.66
2001 3.808
2002 -3.493
2003 -7.152
2004 10.54
2005 9.142
2006 1.369
2007 0.7064
2008 1.514
2009 4.344
2010 4.451
2011 2.477