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 2.328
1822 2.328
1823 2.328
1824 2.328
1825 2.327
1826 2.329
1827 2.328
1828 2.327
1829 2.328
1830 2.329
1831 2.328
1832 2.328
1833 2.327
1834 2.328
1835 2.328
1836 2.328
1837 2.328
1838 2.327
1839 2.329
1840 2.328
1841 2.328
1842 2.329
1843 2.328
1844 2.328
1845 2.328
1846 2.328
1847 2.328
1848 2.328
1849 2.328
1850 2.328
1851 2.328
1852 1.853
1853 1.854
1854 1.853
1855 1.854
1856 1.853
1857 1.853
1858 1.853
1859 1.854
1860 1.853
1861 1.854
1862 1.238
1863 1.238
1864 1.238
1865 1.238
1866 1.238
1867 1.237
1868 1.238
1869 1.238
1870 1.238
1871 1.238
1872 1.265
1873 1.265
1874 1.266
1875 1.266
1876 1.266
1877 1.266
1878 1.266
1879 1.266
1880 1.266
1881 1.265
1882 1.287
1883 1.287
1884 1.287
1885 1.286
1886 1.287
1887 1.287
1888 1.287
1889 1.287
1890 1.287
1891 1.287
1892 1.354
1893 1.354
1894 1.354
1895 1.354
1896 1.354
1897 1.354
1898 1.354
1899 1.354
1900 1.354
1901 1.354
1902 -0.6458
1903 -0.6452
1904 -0.6455
1905 -0.6456
1906 -0.6455
1907 -0.6451
1908 -0.6456
1909 -0.6454
1910 -0.646
1911 -0.6453
1912 -0.2534
1913 -0.2535
1914 0.5669
1915 0.5675
1916 0.5676
1917 0.5672
1918 0.5675
1919 0.5678
1920 0.567
1921 0.5675
1922 2.352
1923 2.351
1924 2.352
1925 2.352
1926 2.352
1927 2.352
1928 2.352
1929 2.352
1930 2.352
1931 2.352
1932 2.352
1933 2.352
1934 2.352
1935 2.352
1936 2.352
1937 2.352
1938 2.352
1939 2.352
1940 2.352
1941 2.352
1942 2.352
1943 2.352
1944 2.352
1945 2.352
1946 2.352
1947 3.643
1948 3.642
1949 3.643
1950 3.642
1951 7.397
1952 6.974
1953 6.579
1954 6.221
1955 5.909
1956 5.653
1957 5.462
1958 5.344
1959 5.305
1960 5.333
1961 7.712
1962 9.059
1963 -5.092
1964 4.984
1965 11.41
1966 3.978
1967 10.61
1968 6.896
1969 7.501
1970 9.505
1971 1.578
1972 1.031
1973 2.064
1974 13.48
1975 -2.044
1976 4.294
1977 3.781
1978 4.915
1979 7.708
1980 4.483
1981 -2.196
1982 -5.276
1983 0.02887
1984 3.056
1985 0.5977
1986 4.603
1987 2.067
1988 2.997
1989 3.129
1990 -3.607
1991 -4.424
1992 -7.473
1993 0.5837
1994 3.85
1995 2.443
1996 2.985
1997 4.422
1998 6.098
1999 0.3662
2000 2.131
2001 -2.746
2002 0.3064
2003 1.835
2004 3.518
2005 3.94
2006 5.69
2007 1.613
2008 0.3353
2009 -4.127
2010 0.1977
2011 0.5291
2012 -0.01976
2013 -0.7272