Year Total
1801 1.949
1802 0.9132
1803 0.9143
1804 0.9134
1805 0.9143
1806 0.9133
1807 0.9141
1808 0.9147
1809 0.9135
1810 0.914
1811 0.9144
1812 0.913
1813 0.9133
1814 0.9135
1815 0.9153
1816 0.9136
1817 0.9136
1818 0.9135
1819 0.9133
1820 0.9146
1821 1.901
1822 1.902
1823 1.902
1824 1.902
1825 2.656
1826 2.656
1827 2.657
1828 2.657
1829 2.656
1830 2.657
1831 2.656
1832 2.657
1833 2.657
1834 2.655
1835 2.657
1836 2.656
1837 3.495
1838 3.494
1839 3.494
1840 3.494
1841 3.495
1842 3.494
1843 3.494
1844 3.494
1845 2.326
1846 2.327
1847 2.326
1848 2.327
1849 2.326
1850 2.326
1851 2.361
1852 2.361
1853 2.361
1854 2.362
1855 2.361
1856 2.361
1857 2.361
1858 2.361
1859 2.36
1860 2.361
1861 2.361
1862 2.361
1863 2.362
1864 2.361
1865 3.366
1866 3.366
1867 3.367
1868 3.365
1869 3.366
1870 3.366
1871 3.367
1872 3.367
1873 3.367
1874 3.367
1875 3.367
1876 3.326
1877 3.326
1878 3.326
1879 3.326
1880 3.326
1881 3.327
1882 3.326
1883 3.326
1884 4.408
1885 4.409
1886 4.409
1887 4.409
1888 4.408
1889 4.409
1890 4.409
1891 4.409
1892 4.408
1893 3.677
1894 3.677
1895 3.677
1896 3.677
1897 3.677
1898 3.677
1899 3.677
1900 3.677
1901 5.534
1902 4.37
1903 1.109
1904 4.268
1905 4.172
1906 1.109
1907 4.082
1908 1.109
1909 3.997
1910 1.951
1911 1.944
1912 1.937
1913 1.931
1914 6.001
1915 1.109
1916 3.701
1917 1.109
1918 3.636
1919 3.575
1920 1.109
1921 -1.637
1922 11.9
1923 -7.123
1924 15.04
1925 0.188
1926 11.27
1927 -6.653
1928 5.91
1929 -3.516
1930 5.699
1931 -0.4404
1932 -7.199
1933 20.12
1934 -11.01
1935 9.271
1936 7.711
1937 15.78
1938 7.069
1939 2.319
1940 -2.928
1941 13.31
1942 -10.69
1943 1.073
1944 -9.595
1945 13.77
1946 12.04
1947 18.97
1948 5.798
1949 4.224
1950 -4.944
1951 2.299
1952 11.71
1953 14.9
1954 0.5009
1955 11.01
1956 -3.347
1957 8.035
1958 11.91
1959 3.152
1960 8.171
1961 3.822
1962 5.948
1963 8.523
1964 4.945
1965 9.026
1966 7.465
1967 5.822
1968 7.398
1969 6.374
1970 6.309
1971 6.15
1972 8.373
1973 7.299
1974 5.012
1975 1.68
1976 5.153
1977 8.667
1978 4.932
1979 4.679
1980 1.793
1981 -1.984
1982 -6.984
1983 2.715
1984 7.715
1985 0.6528
1986 5.246
1987 4.651
1988 3.375
1989 5.717
1990 3.638
1991 2.274
1992 7.239
1993 6.002
1994 4.596
1995 2.608
1996 1.43
1997 6.261
1998 9.127
1999 10.09
2000 2.756
2001 1.529
2002 3.293
2003 6.84
2004 4.363
2005 6.143
2006 8.38
2007 7.476
2008 2.263
2009 -1.412
2010 7.592
2011 4.508
2012 5.245
2013 2.635