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 2.315
1822 2.314
1823 2.313
1824 2.313
1825 2.316
1826 2.315
1827 2.312
1828 2.315
1829 2.314
1830 2.313
1831 2.315
1832 2.314
1833 2.313
1834 2.315
1835 2.314
1836 2.312
1837 2.315
1838 2.316
1839 2.314
1840 2.313
1841 2.314
1842 2.316
1843 2.312
1844 2.315
1845 2.314
1846 2.314
1847 2.316
1848 2.314
1849 2.314
1850 2.314
1851 2.26
1852 2.259
1853 2.261
1854 2.258
1855 2.26
1856 2.259
1857 2.261
1858 2.259
1859 2.26
1860 2.261
1861 2.259
1862 2.261
1863 2.26
1864 2.259
1865 2.261
1866 2.259
1867 2.259
1868 2.26
1869 2.26
1870 2.26
1871 6.053
1872 6.053
1873 6.054
1874 6.053
1875 6.052
1876 6.053
1877 6.053
1878 6.054
1879 6.052
1880 6.054
1881 6.053
1882 6.053
1883 6.053
1884 6.053
1885 6.053
1886 6.053
1887 6.053
1888 6.053
1889 6.053
1890 6.053
1891 6.071
1892 6.071
1893 6.071
1894 6.071
1895 6.071
1896 6.071
1897 6.071
1898 6.071
1899 6.071
1900 6.071
1901 13.65
1902 -2.465
1903 -11.23
1904 -0.2868
1905 14.22
1906 15.97
1907 -5.924
1908 18.53
1909 4.326
1910 12.09
1911 -7.579
1912 -11.73
1913 -10.72
1914 22.5
1915 5.068
1916 -14.9
1917 42.12
1918 -19.66
1919 16.53
1920 -11.39
1921 20.73
1922 37.8
1923 7.567
1924 0.1774
1925 18.2
1926 -14.28
1927 -23.01
1928 23.53
1929 46.38
1930 -4.884
1931 -30.43
1932 -10.34
1933 25.6
1934 20.27
1935 22.74
1936 4.73
1937 17.27
1938 -7.526
1939 19.27
1940 2.31
1941 1.554
1942 2.516
1943 2.516
1944 2.516
1945 2.516
1946 2.516
1947 2.516
1948 1.609
1949 1.035
1950 3.543
1951 -1.475
1952 -27.1
1953 25.5
1954 20.65
1955 -3.159
1956 15.7
1957 -6.888
1958 4.872
1959 17.23
1960 11.12
1961 14.25
1962 0.1343
1963 9.277
1964 0.4255
1965 11.84
1966 10.67
1967 12.2
1968 14.01
1969 14.14
1970 14.23
1971 12.23
1972 13.69
1973 11.24
1974 6.133
1975 3.187
1976 7.098
1977 7.603
1978 8.493
1979 9.585
1980 10.24
1981 6.918
1982 5.008
1983 9.899
1984 9.059
1985 0.7036
1986 4.428
1987 10.49
1988 11.13
1989 9.384
1990 7.859
1991 6.48
1992 6.318
1993 12.47
1994 11.6
1995 8.071
1996 6.532
1997 7.725
1998 -2.428
1999 8.825
2000 10.5
2001 -3.733
2002 4.515
2003 4.152
2004 9.437
2005 6.879
2006 7.707
2007 7.47
2008 2.758
2009 1.014
2010 15.61
2011 4.661
2012 0.7403
2013 3.271