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 1.357
1822 1.356
1823 1.357
1824 1.357
1825 1.357
1826 1.356
1827 1.357
1828 1.356
1829 1.357
1830 1.357
1831 1.356
1832 1.357
1833 1.356
1834 1.356
1835 1.357
1836 1.357
1837 1.356
1838 1.357
1839 1.356
1840 1.356
1841 1.357
1842 1.356
1843 1.356
1844 1.357
1845 1.357
1846 1.357
1847 1.357
1848 1.356
1849 1.357
1850 1.356
1851 1.357
1852 1.356
1853 1.357
1854 1.357
1855 1.357
1856 1.356
1857 1.357
1858 1.357
1859 1.357
1860 1.357
1861 1.356
1862 1.357
1863 1.357
1864 1.356
1865 1.357
1866 1.357
1867 1.356
1868 1.357
1869 1.357
1870 1.356
1871 1.357
1872 1.357
1873 1.357
1874 1.356
1875 1.357
1876 1.357
1877 1.357
1878 1.356
1879 1.357
1880 1.357
1881 1.357
1882 1.357
1883 1.357
1884 1.356
1885 1.357
1886 1.357
1887 1.356
1888 1.357
1889 1.356
1890 1.357
1891 1.356
1892 1.357
1893 1.357
1894 1.357
1895 1.357
1896 1.357
1897 1.356
1898 1.357
1899 1.357
1900 1.357
1901 1.356
1902 1.357
1903 1.357
1904 1.357
1905 1.357
1906 1.357
1907 1.357
1908 1.357
1909 1.356
1910 1.357
1911 1.356
1912 1.357
1913 1.357
1914 2.191
1915 2.191
1916 2.191
1917 2.191
1918 2.191
1919 2.191
1920 2.191
1921 2.191
1922 2.191
1923 2.191
1924 2.191
1925 2.191
1926 2.191
1927 2.191
1928 2.191
1929 2.191
1930 2.191
1931 2.191
1932 2.191
1933 2.191
1934 2.191
1935 2.191
1936 2.191
1937 2.191
1938 2.191
1939 2.191
1940 2.191
1941 2.191
1942 2.191
1943 2.191
1944 2.191
1945 2.191
1946 2.191
1947 2.191
1948 2.191
1949 2.191
1950 2.191
1951 1.298
1952 0.8433
1953 0.5548
1954 0.3843
1955 0.292
1956 0.2451
1957 0.2156
1958 0.1815
1959 0.1288
1960 0.05574
1961 4.648
1962 1.161
1963 -12.14
1964 11.64
1965 10.92
1966 5.695
1967 4.853
1968 1.56
1969 7.492
1970 4.622
1971 3.339
1972 -3.214
1973 1.28
1974 7.725
1975 8.531
1976 1.626
1977 -2.533
1978 -1.73
1979 -1.863
1980 1.553
1981 1.137
1982 -13.62
1983 -7.323
1984 -5.532
1985 1.981
1986 -1.148
1987 0.7861
1988 -3.719
1989 -4.968
1990 -3.118
1991 5.815
1992 7.607
1993 7.991
1994 8.38
1995 4.976
1996 8.025
1997 6.492
1998 -1.391
1999 3.31
2000 -1.091
2001 2.488
2002 1.247
2003 -0.8255
2004 3.511
2005 -1.684
2006 5.063
2007 6.949
2008 1.775
2009 3.309
2010 4.263
2011 5.337
2012 4.152
2013 5.031