Year Total
1801 0.0236
1802 0.0236
1803 0.0236
1804 0.0236
1805 0.0236
1806 0.0236
1807 0.0236
1808 0.0236
1809 0.0236
1810 0.0236
1811 0.0236
1812 0.0236
1813 0.0236
1814 0.0236
1815 0.0236
1816 0.0236
1817 0.0236
1818 0.0236
1819 0.0236
1820 0.0236
1821 0.5822
1822 0.5822
1823 0.5822
1824 0.5822
1825 0.5822
1826 0.5822
1827 0.5822
1828 0.5822
1829 0.5822
1830 0.5822
1831 0.5822
1832 0.5822
1833 0.5822
1834 0.5822
1835 0.5822
1836 0.5822
1837 0.5822
1838 0.5822
1839 0.5822
1840 0.5822
1841 0.5822
1842 0.5822
1843 0.5822
1844 0.5822
1845 0.5822
1846 0.5822
1847 0.5822
1848 0.5822
1849 0.5822
1850 0.5822
1851 0.5822
1852 0.5822
1853 0.5822
1854 0.5822
1855 0.5822
1856 0.5822
1857 0.5822
1858 0.5822
1859 0.5822
1860 0.5822
1861 0.5822
1862 0.5822
1863 0.5822
1864 0.5822
1865 0.5822
1866 0.5822
1867 0.5822
1868 0.5822
1869 0.5822
1870 0.5822
1871 1.146
1872 1.143
1873 1.14
1874 1.144
1875 1.141
1876 1.145
1877 1.141
1878 1.145
1879 1.142
1880 1.146
1881 1.143
1882 1.139
1883 1.143
1884 1.14
1885 1.143
1886 1.147
1887 1.144
1888 1.141
1889 1.144
1890 1.141
1891 1.144
1892 1.141
1893 1.144
1894 1.141
1895 1.144
1896 1.141
1897 1.144
1898 1.141
1899 1.144
1900 1.141
1901 1.144
1902 1.141
1903 1.144
1904 1.147
1905 1.143
1906 1.14
1907 1.143
1908 1.14
1909 1.143
1910 1.145
1911 1.142
1912 1.145
1913 1.142
1914 1.493
1915 1.496
1916 1.498
1917 1.49
1918 1.498
1919 1.495
1920 1.493
1921 1.495
1922 1.492
1923 1.499
1924 1.491
1925 1.498
1926 1.495
1927 1.492
1928 1.493
1929 1.495
1930 1.497
1931 1.493
1932 1.495
1933 1.496
1934 1.497
1935 1.493
1936 1.494
1937 1.495
1938 1.492
1939 1.497
1940 15.62
1941 15.62
1942 15.63
1943 15.62
1944 15.62
1945 15.62
1946 15.62
1947 15.62
1948 15.62
1949 15.62
1950 15.62
1951 25.87
1952 24.42
1953 22.94
1954 21.64
1955 20.66
1956 20.1
1957 20.06
1958 20.58
1959 21.61
1960 22.98
1961 24.34
1962 25.33
1963 25.68
1964 25.4
1965 24.82
1966 24.17
1967 23.76
1968 23.68
1969 23.96
1970 24.37
1971 9.116
1972 10.38
1973 10.32
1974 5.654
1975 5.715
1976 8.191
1977 -7.364
1978 9.034
1979 5.824
1980 -0.03457
1981 8.597
1982 -2.223
1983 0.924
1984 3.818
1985 -1.632
1986 4.023
1987 1.054
1988 4.594
1989 4.839
1990 1.94
1991 -1.83
1992 8.272
1993 -1.984
1994 1.027
1995 1.915
1996 4.569
1997 30.04
1998 12.52
1999 4.641
2000 8.286
2001 0.9915
2002 3.928
2003 2.413
2004 25.75
2005 16.91
2006 28.23
2007 20.71
2008 18.03
2009 13.25
2010 23.87
2011 15.51
2012 2.416
2013 -1.619