Year Total
1801 0.1238
1802 0.1239
1803 0.1238
1804 0.1238
1805 0.1239
1806 0.1239
1807 0.1239
1808 0.1238
1809 0.1238
1810 0.1239
1811 0.1238
1812 0.1239
1813 0.1238
1814 0.1239
1815 0.1238
1816 0.1239
1817 0.1238
1818 0.1239
1819 0.1239
1820 0.1238
1821 0.7122
1822 0.7121
1823 0.7122
1824 0.7121
1825 0.7122
1826 0.7121
1827 0.7121
1828 0.7121
1829 0.7122
1830 0.7122
1831 0.7122
1832 0.7121
1833 0.7122
1834 0.7121
1835 0.7122
1836 0.7121
1837 0.7122
1838 0.7122
1839 0.7121
1840 0.7122
1841 0.7121
1842 0.7122
1843 0.7122
1844 0.7121
1845 0.7122
1846 0.7121
1847 0.7122
1848 0.7121
1849 0.7121
1850 0.7122
1851 0.7121
1852 0.7121
1853 0.7122
1854 0.7121
1855 0.7121
1856 0.7122
1857 0.7121
1858 0.7122
1859 0.7121
1860 0.7121
1861 0.7122
1862 0.7121
1863 0.7122
1864 0.7122
1865 0.7122
1866 0.7121
1867 0.7121
1868 0.7121
1869 0.7121
1870 0.7122
1871 0.7121
1872 0.7122
1873 0.7121
1874 0.7122
1875 0.7121
1876 0.7121
1877 0.7122
1878 0.7122
1879 0.7121
1880 0.7122
1881 0.7122
1882 0.7121
1883 0.7122
1884 0.7122
1885 0.7121
1886 0.7121
1887 0.7122
1888 0.7122
1889 0.7121
1890 0.7122
1891 0.7121
1892 0.7122
1893 0.7122
1894 0.7121
1895 0.7122
1896 0.7121
1897 0.7122
1898 0.7121
1899 0.7121
1900 0.7122
1901 0.7121
1902 0.7121
1903 0.7122
1904 0.7121
1905 0.7122
1906 0.7121
1907 0.7121
1908 0.7122
1909 0.7121
1910 0.7121
1911 0.7121
1912 0.7122
1913 0.7121
1914 1.275
1915 1.275
1916 1.275
1917 1.275
1918 1.275
1919 1.275
1920 1.275
1921 1.275
1922 1.275
1923 1.275
1924 1.275
1925 1.275
1926 1.275
1927 1.275
1928 1.275
1929 1.275
1930 1.275
1931 1.275
1932 1.275
1933 1.275
1934 1.275
1935 1.275
1936 1.275
1937 1.275
1938 1.275
1939 1.275
1940 1.275
1941 1.275
1942 1.275
1943 1.275
1944 1.275
1945 1.275
1946 1.275
1947 1.275
1948 1.275
1949 1.275
1950 1.275
1951 6.151
1952 3.504
1953 4.051
1954 6.056
1955 3.511
1956 3.961
1957 3.997
1958 2.998
1959 6.077
1960 1.523
1961 5.049
1962 4.65
1963 4.131
1964 -10.58
1965 -6.376
1966 14.7
1967 6.396
1968 2.321
1969 -12.29
1970 8.461
1971 2.475
1972 15.3
1973 -11.83
1974 1.044
1975 14.88
1976 -1.821
1977 13.57
1978 5.68
1979 -5.107
1980 1.664
1981 6.118
1982 2.604
1983 -11.73
1984 3.096
1985 9.378
1986 -2.245
1987 10.01
1988 -0.6162
1989 -0.2614
1990 -1.73
1991 -1.18
1992 -12.2
1993 -0.2948
1994 -21.29
1995 -0.4466
1996 3.362
1997 -3.251
1998 1.922
1999 2.677
2000 2.558
2001 2.644
2002 3.209
2003 3.239
2004 2.725
2005 2.681
2006 2.038
2007 2.207
2008 2.187
2009 2.182
2010 2.193
2011 2.422
2012 2.851
2013 3.106