Year Total
1801 0.1659
1802 0.1659
1803 0.1659
1804 0.1659
1805 0.1659
1806 0.1659
1807 0.1659
1808 0.1659
1809 0.1659
1810 0.1659
1811 0.1659
1812 0.1659
1813 0.1659
1814 0.1659
1815 0.1659
1816 0.1659
1817 0.1659
1818 0.1659
1819 0.1659
1820 0.1659
1821 1.837
1822 1.833
1823 1.829
1824 1.842
1825 1.82
1826 1.834
1827 1.847
1828 1.825
1829 1.838
1830 1.834
1831 1.83
1832 1.826
1833 1.839
1834 1.834
1835 1.83
1836 1.842
1837 1.821
1838 1.834
1839 1.846
1840 1.825
1841 1.837
1842 1.833
1843 1.829
1844 1.84
1845 1.836
1846 1.832
1847 1.827
1848 1.839
1849 1.834
1850 1.83
1851 1.826
1852 1.837
1853 1.832
1854 1.843
1855 1.824
1856 1.834
1857 1.845
1858 1.826
1859 1.836
1860 1.832
1861 1.827
1862 1.837
1863 1.833
1864 1.843
1865 1.824
1866 1.834
1867 1.83
1868 1.839
1869 1.835
1870 1.83
1871 1.84
1872 1.835
1873 1.831
1874 1.827
1875 1.835
1876 1.831
1877 1.84
1878 1.835
1879 1.831
1880 1.827
1881 1.835
1882 1.831
1883 1.839
1884 1.835
1885 1.83
1886 1.838
1887 1.834
1888 1.829
1889 1.837
1890 1.833
1891 1.829
1892 1.836
1893 1.832
1894 1.839
1895 1.835
1896 1.83
1897 1.837
1898 1.833
1899 1.829
1900 1.835
1901 1.831
1902 1.838
1903 1.833
1904 1.829
1905 1.836
1906 1.831
1907 1.838
1908 1.833
1909 1.829
1910 1.835
1911 1.831
1912 1.837
1913 1.833
1914 3.772
1915 3.778
1916 3.783
1917 3.769
1918 3.785
1919 3.77
1920 3.776
1921 3.781
1922 3.777
1923 3.773
1924 3.778
1925 3.783
1926 3.779
1927 3.774
1928 3.779
1929 3.775
1930 3.78
1931 3.775
1932 3.771
1933 3.776
1934 3.781
1935 3.776
1936 3.781
1937 3.776
1938 3.772
1939 3.776
1940 3.781
1941 3.776
1942 3.781
1943 3.776
1944 3.772
1945 3.776
1946 3.78
1947 3.775
1948 3.779
1949 3.775
1950 3.779
1951 4.218
1952 4.462
1953 4.672
1954 4.866
1955 5.027
1956 5.179
1957 5.307
1958 5.448
1959 5.558
1960 5.665
1961 5.744
1962 5.783
1963 5.772
1964 5.693
1965 5.569
1966 5.464
1967 5.353
1968 5.147
1969 4.808
1970 4.42
1971 1.817
1972 3.743
1973 7.229
1974 5.598
1975 -2.044
1976 7.135
1977 2.547
1978 3.237
1979 5.918
1980 3.422
1981 0.8358
1982 0.3728
1983 1.16
1984 3.21
1985 2.799
1986 2.859
1987 3.193
1988 4.215
1989 3.396
1990 2.066
1991 1.535
1992 0.776
1993 8.755
1994 6.996
1995 9.292
1996 4.881
1997 2.431
1998 7.548
1999 9.109
2000 2.226
2001 5.659
2002 0.3156
2003 3.955
2004 4.652
2005 2.338
2006 3.855
2007 3.493
2008 -3.367
2009 -12.75
2010 -5.184
2011 -2.6