Year Total 1801 2.138 1802 2.137 1803 2.138 1804 2.138 1805 2.137 1806 2.138 1807 2.137 1808 2.139 1809 2.137 1810 2.138 1811 2.137 1812 2.138 1813 2.138 1814 2.138 1815 2.137 1816 2.138 1817 2.138 1818 2.137 1819 2.137 1820 2.138 1821 2.616 1822 2.616 1823 2.617 1824 2.617 1825 2.616 1826 2.616 1827 2.617 1828 2.617 1829 2.616 1830 2.617 1831 2.616 1832 2.617 1833 2.617 1834 2.616 1835 2.617 1836 2.616 1837 2.616 1838 2.617 1839 2.617 1840 2.617 1841 2.616 1842 2.616 1843 2.617 1844 2.617 1845 2.616 1846 2.617 1847 2.616 1848 2.616 1849 2.617 1850 2.616 1851 5.81 1852 5.811 1853 5.811 1854 5.81 1855 5.811 1856 5.811 1857 5.81 1858 5.81 1859 5.811 1860 5.811 1861 5.811 1862 0.7785 1863 0.7785 1864 0.7788 1865 0.7784 1866 0.7787 1867 0.7784 1868 0.7787 1869 0.7783 1870 0.7786 1871 0.7786 1872 1.347 1873 1.347 1874 1.347 1875 1.347 1876 1.347 1877 1.347 1878 1.347 1879 1.347 1880 1.347 1881 1.347 1882 0.7717 1883 0.7719 1884 0.7716 1885 0.7718 1886 0.7719 1887 0.7716 1888 0.7718 1889 0.7717 1890 0.7719 1891 0.7718 1892 0.4689 1893 0.4689 1894 0.4689 1895 0.4689 1896 0.4689 1897 0.4689 1898 0.4689 1899 0.4689 1900 0.4689 1901 0.4689 1902 0.4147 1903 0.4144 1904 0.4147 1905 0.4147 1906 0.4146 1907 0.4146 1908 0.4146 1909 0.4145 1910 0.4148 1911 0.4145 1912 0.6579 1913 0.6578 1914 1.414 1915 1.414 1916 1.415 1917 1.414 1918 1.414 1919 1.414 1920 1.415 1921 1.414 1922 1.673 1923 1.673 1924 1.673 1925 1.673 1926 1.673 1927 1.673 1928 1.673 1929 1.673 1930 1.673 1931 1.673 1932 1.724 1933 1.724 1934 1.724 1935 1.724 1936 1.724 1937 1.724 1938 1.724 1939 1.724 1940 1.724 1941 1.724 1942 1.724 1943 1.724 1944 1.724 1945 4.014 1946 4.014 1947 4.014 1948 4.014 1949 4.014 1950 4.014 1951 4.745 1952 2.424 1953 3.104 1954 5.374 1955 3.041 1956 3.31 1957 3.744 1958 2.787 1959 5.879 1960 6.423 1961 22.97 1962 0.6959 1963 14.76 1964 -7.198 1965 2.98 1966 -3.825 1967 4.373 1968 -6.907 1969 5.199 1970 -0.3708 1971 5.119 1972 10.25 1973 12.88 1974 10.9 1975 0.2569 1976 16.51 1977 6.485 1978 3.654 1979 3.186 1980 -10.44 1981 5.485 1982 5.281 1983 0.3598 1984 4.637 1985 6.894 1986 9.819 1987 9.899 1988 6.663 1989 4.335 1990 7.15 1991 6.656 1992 5.224 1993 7.234 1994 4.954 1995 3.895 1996 5.423 1997 6.139 1998 6.099 1999 5.407 2000 2.724 2001 7.246 2002 3.576 2003 7.117 2004 4.855 2005 3.156 2006 4.546 2007 5.599 2008 5.861 2009 2.908 2010 4.256 2011 3.966 2012 3.309 2013 3.098