Year Total
1801 3.078
1802 0.1985
1803 0.1988
1804 0.1992
1805 0.1988
1806 0.1992
1807 0.1988
1808 0.1984
1809 0.1988
1810 0.1991
1811 0.1987
1812 0.1991
1813 0.1987
1814 0.199
1815 0.1986
1816 0.199
1817 0.1986
1818 0.199
1819 0.1986
1820 0.1989
1821 4.537
1822 4.537
1823 4.537
1824 4.538
1825 4.536
1826 4.537
1827 4.537
1828 4.537
1829 4.537
1830 4.537
1831 4.537
1832 4.536
1833 4.537
1834 4.536
1835 4.537
1836 4.537
1837 4.537
1838 4.537
1839 4.537
1840 4.537
1841 4.537
1842 4.537
1843 4.537
1844 4.537
1845 4.537
1846 4.537
1847 4.537
1848 4.537
1849 4.537
1850 4.537
1851 1.999
1852 1.999
1853 1.999
1854 1.999
1855 1.999
1856 1.999
1857 1.998
1858 1.999
1859 1.999
1860 1.999
1861 1.999
1862 1.999
1863 1.999
1864 1.999
1865 1.999
1866 1.999
1867 1.999
1868 1.999
1869 1.999
1870 1.999
1871 1.992
1872 1.992
1873 1.992
1874 1.992
1875 1.992
1876 1.992
1877 1.992
1878 1.992
1879 1.992
1880 1.992
1881 1.992
1882 1.992
1883 1.992
1884 1.992
1885 1.992
1886 1.992
1887 1.992
1888 1.992
1889 1.992
1890 1.992
1891 1.992
1892 1.992
1893 1.992
1894 1.992
1895 1.992
1896 1.992
1897 1.992
1898 1.992
1899 1.992
1900 1.992
1901 3.497
1902 3.449
1903 3.404
1904 3.549
1905 3.313
1906 3.455
1907 3.587
1908 3.361
1909 3.49
1910 3.442
1911 3.396
1912 3.513
1913 3.464
1914 2.497
1915 2.634
1916 2.466
1917 2.6
1918 2.437
1919 2.568
1920 2.551
1921 1.091
1922 8.738
1923 -0.5952
1924 -6.587
1925 20.73
1926 0.885
1927 9.825
1928 12.46
1929 -0.9943
1930 6.528
1931 2.155
1932 -10.42
1933 -6.181
1934 -3.137
1935 -4.453
1936 1.78
1937 -4.413
1938 5.836
1939 2.798
1940 6.805
1941 -0.2249
1942 -8.565
1943 0.1643
1944 2.297
1945 23.18
1946 7.617
1947 6.473
1948 2.102
1949 1.391
1950 7.205
1951 4.962
1952 3.737
1953 7.924
1954 -5.726
1955 2.516
1956 7.923
1957 4.424
1958 2.945
1959 2.369
1960 6.085
1961 2.46
1962 5.599
1963 3.457
1964 4.748
1965 8.009
1966 5.05
1967 4.741
1968 4.935
1969 -0.1546
1970 2.518
1971 3.199
1972 2.891
1973 4.078
1974 13.67
1975 2.252
1976 10.18
1977 10.35
1978 9.659
1979 4.417
1980 -0.0136
1981 1.628
1982 -2.079
1983 -1.006
1984 3.481
1985 3.873
1986 0.304
1987 5.463
1988 4.673
1989 3.568
1990 -0.04591
1991 2.613
1992 5.585
1993 6.774
1994 -2.295
1995 3.197
1996 3.052
1997 4.433
1998 2.442
1999 -2.372
2000 4.292
2001 2.075
2002 2.252
2003 3.029
2004 4.614
2005 3.819
2006 6.492
2007 6.11
2008 4.156
2009 -2.499
2010 3.667
2011 3.655
2012 3.845
2013 2.529