Year Total
1801 0.8372
1802 0.8372
1803 0.8372
1804 0.8372
1805 0.8372
1806 0.8372
1807 0.8372
1808 0.8372
1809 0.8372
1810 0.8372
1811 0.8372
1812 0.8372
1813 0.8372
1814 0.8372
1815 0.8372
1816 0.8372
1817 0.8372
1818 0.8372
1819 0.8372
1820 0.8372
1821 0.699
1822 0.699
1823 0.699
1824 0.699
1825 0.699
1826 0.699
1827 0.699
1828 0.699
1829 0.699
1830 0.699
1831 0.06051
1832 0.06051
1833 0.06051
1834 0.06051
1835 0.06051
1836 0.06051
1837 0.06051
1838 0.06051
1839 0.06051
1840 0.06051
1841 4.598
1842 0.1312
1843 -3.277
1844 -2.575
1845 0.6259
1846 0
1847 0.622
1848 0.8929
1849 -0.2723
1850 -0.7509
1851 -1.906
1852 3.387
1853 -1.478
1854 -2.877
1855 -1.63
1856 1.985
1857 -2.212
1858 2.077
1859 -3.04
1860 0.6523
1861 1.597
1862 2.264
1863 1.434
1864 -0.2691
1865 -3.407
1866 1.385
1867 -0.5158
1868 1.847
1869 -1.609
1870 -0.7
1871 -1.088
1872 0.8416
1873 -2.85
1874 -5.08
1875 2.866
1876 3.665
1877 -5.381
1878 1.57
1879 1.89
1880 -1.247
1881 -0.1492
1882 -0.4894
1883 0.5259
1884 -2.465
1885 -0.02816
1886 -1.222
1887 -1.674
1888 0.8304
1889 1.406
1890 -3.614
1891 2.088
1892 -1.243
1893 1.044
1894 -0.5953
1895 3.681
1896 -4.306
1897 1.504
1898 -2.678
1899 1.213
1900 1.83
1901 0.4839
1902 3.866
1903 -0.1092
1904 2.659
1905 -8.027
1906 5.456
1907 2.703
1908 3.633
1909 1.724
1910 4.155
1911 0.5439
1912 -3.318
1913 1.102
1914 2.465
1915 2.465
1916 2.465
1917 2.465
1918 2.465
1919 2.465
1920 2.465
1921 1.707
1922 1.707
1923 1.707
1924 1.707
1925 1.707
1926 1.707
1927 1.707
1928 1.707
1929 1.707
1930 1.269
1931 1.018
1932 3.178
1933 0
1934 -8.715
1935 8.07
1936 6.317
1937 -2.435
1938 -2.496
1939 -5.677
1940 -5.677
1941 -5.677
1942 -5.677
1943 -5.677
1944 -5.677
1945 -5.677
1946 -1.094
1947 -1.094
1948 -1.094
1949 -1.094
1950 3.44
1951 12.66
1952 11.87
1953 12.68
1954 2.876
1955 4.246
1956 6.88
1957 8.645
1958 16.96
1959 10.45
1960 -5.087
1961 -35.75
1962 3.847
1963 14.52
1964 15.06
1965 11.4
1966 10.65
1967 -9.801
1968 -3.427
1969 13.63
1970 20.21
1971 6.847
1972 -0.5659
1973 9.439
1974 2.316
1975 6.445
1976 -0.6095
1977 3.796
1978 14.8
1979 6.446
1980 3.529
1981 4.758
1982 9.297
1983 6.982
1984 21.23
1985 9.577
1986 5.611
1987 5.642
1988 -0.8325
1989 -5.353
1990 5.367
1991 6.192
1992 8.752
1993 12.19
1994 8.807
1995 12.68
1996 3.422
1997 6.243
1998 -0.8488
1999 4.949
2000 5.628
2001 6.954
2002 10.92
2003 8.21
2004 10.24
2005 10.08
2006 12.41
2007 11.24
2008 2.2
2009 7.495
2010 7.337
2011 5.56
2012 7.6
2013 7.596