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 1.423
1822 1.423
1823 1.423
1824 1.423
1825 1.423
1826 1.423
1827 1.423
1828 1.423
1829 1.423
1830 1.423
1831 1.423
1832 1.423
1833 1.423
1834 1.423
1835 1.423
1836 1.423
1837 1.423
1838 1.423
1839 1.423
1840 1.423
1841 1.423
1842 1.423
1843 1.423
1844 1.423
1845 1.423
1846 1.423
1847 1.423
1848 1.423
1849 1.423
1850 1.423
1851 1.423
1852 1.423
1853 1.423
1854 1.423
1855 1.423
1856 1.423
1857 1.423
1858 1.423
1859 1.423
1860 1.423
1861 1.423
1862 1.423
1863 1.423
1864 1.423
1865 1.423
1866 1.423
1867 1.423
1868 1.423
1869 1.423
1870 1.423
1871 2.021
1872 2.021
1873 2.021
1874 2.02
1875 2.021
1876 2.021
1877 2.02
1878 2.021
1879 2.02
1880 2.021
1881 2.021
1882 2.02
1883 2.021
1884 2.02
1885 2.021
1886 2.021
1887 2.02
1888 2.021
1889 2.02
1890 2.021
1891 2.02
1892 2.021
1893 2.021
1894 2.02
1895 2.021
1896 2.02
1897 2.021
1898 2.02
1899 2.021
1900 2.021
1901 2.021
1902 2.02
1903 2.021
1904 2.021
1905 2.021
1906 2.02
1907 2.021
1908 2.021
1909 2.021
1910 2.021
1911 2.02
1912 2.021
1913 2.021
1914 4.014
1915 4.014
1916 4.014
1917 4.014
1918 4.014
1919 4.014
1920 4.014
1921 4.014
1922 4.014
1923 4.014
1924 4.014
1925 4.014
1926 4.014
1927 4.014
1928 4.015
1929 4.014
1930 4.014
1931 4.014
1932 4.014
1933 4.014
1934 4.014
1935 4.014
1936 4.014
1937 4.014
1938 4.014
1939 4.014
1940 4.014
1941 4.014
1942 4.014
1943 4.014
1944 4.014
1945 4.014
1946 4.014
1947 4.014
1948 4.014
1949 4.014
1950 4.014
1951 -11.06
1952 5.929
1953 15.22
1954 15.16
1955 8.566
1956 -1.777
1957 2.36
1958 -13.67
1959 9.129
1960 3.246
1961 7.179
1962 4.344
1963 1.177
1964 6.176
1965 9.803
1966 6.33
1967 -5.368
1968 11.75
1969 1.616
1970 6.47
1971 9.218
1972 12.35
1973 4.46
1974 2.458
1975 -30.24
1976 -58.01
1977 70.99
1978 1.527
1979 12.03
1980 5.183
1981 0.3311
1982 -36.68
1983 20.91
1984 44.74
1985 24.64
1986 -6.313
1987 16
1988 -28.22
1989 -42.27
1990 32.29
1991 45.86
1992 -11.27
1993 6.841
1994 8.491
1995 7.928
1996 4.112
1997 11.57
1998 14.15
1999 7.549
2000 6.745
2001 12.89
2002 14.14
2003 11.82
2004 18.29
2005 11.95
2006 2.385
2007 9.39
2008 8.037
2009 8.378
2010 6.397
2011 0.9513
2012 1.297
2013 0.793