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 1.233
1822 1.232
1823 1.232
1824 1.232
1825 1.232
1826 1.232
1827 1.233
1828 1.232
1829 1.232
1830 1.233
1831 1.232
1832 1.232
1833 1.232
1834 1.233
1835 1.232
1836 1.233
1837 1.232
1838 1.233
1839 1.232
1840 1.233
1841 1.232
1842 1.232
1843 1.232
1844 1.233
1845 1.232
1846 1.233
1847 1.232
1848 1.232
1849 1.232
1850 1.233
1851 1.232
1852 1.232
1853 1.232
1854 1.233
1855 1.232
1856 1.233
1857 1.232
1858 1.233
1859 1.232
1860 1.233
1861 1.232
1862 1.232
1863 1.232
1864 1.232
1865 1.232
1866 1.233
1867 1.232
1868 1.232
1869 1.232
1870 1.232
1871 1.232
1872 1.233
1873 1.233
1874 1.232
1875 1.233
1876 1.232
1877 1.233
1878 1.232
1879 1.232
1880 1.232
1881 1.232
1882 1.232
1883 1.232
1884 1.232
1885 1.232
1886 1.233
1887 1.232
1888 1.232
1889 1.232
1890 1.232
1891 1.232
1892 1.233
1893 1.232
1894 1.232
1895 1.232
1896 1.233
1897 1.232
1898 1.232
1899 1.232
1900 1.233
1901 1.232
1902 1.232
1903 1.232
1904 1.232
1905 1.232
1906 1.232
1907 1.233
1908 1.232
1909 1.232
1910 1.232
1911 1.232
1912 1.232
1913 1.232
1914 3.248
1915 3.248
1916 3.248
1917 3.248
1918 3.248
1919 3.247
1920 3.248
1921 3.248
1922 3.248
1923 3.248
1924 3.248
1925 3.248
1926 3.248
1927 3.248
1928 3.248
1929 3.248
1930 3.248
1931 3.248
1932 3.248
1933 3.248
1934 3.248
1935 3.248
1936 3.248
1937 3.248
1938 3.248
1939 3.248
1940 3.248
1941 3.248
1942 3.248
1943 3.248
1944 3.248
1945 3.248
1946 3.248
1947 3.248
1948 3.248
1949 3.248
1950 3.248
1951 7.356
1952 3.857
1953 3.802
1954 5.005
1955 1.583
1956 3.049
1957 2.34
1958 2.689
1959 5.782
1960 7.58
1961 5.138
1962 7.652
1963 7.352
1964 8.264
1965 10.83
1966 7.328
1967 8.624
1968 8.422
1969 10.46
1970 4.671
1971 2.08
1972 10.86
1973 -0.1325
1974 5.167
1975 -2.528
1976 -11.37
1977 -2.287
1978 7.832
1979 5.051
1980 3.35
1981 3.042
1982 8.24
1983 5.872
1984 1.273
1985 1.335
1986 1.224
1987 0.634
1988 5.693
1989 2.742
1990 9.569
1991 6.141
1992 -0.03028
1993 0.01121
1994 0.03183
1995 0.03086
1996 5.235
1997 4.153
1998 1.244
1999 2.099
2000 2.101
2001 2.067
2002 4.906
2003 4.887
2004 5.541
2005 5.557
2006 5.601
2007 5.336