Year Total
1801 0.1263
1802 0.1246
1803 0.126
1804 0.1259
1805 0.1257
1806 0.1255
1807 0.1254
1808 0.1252
1809 0.1267
1810 0.1249
1811 0.1263
1812 0.1262
1813 0.1244
1814 0.1259
1815 0.1257
1816 0.1256
1817 0.127
1818 0.1252
1819 0.1251
1820 0.1265
1821 0.4499
1822 0.4513
1823 0.4512
1824 0.451
1825 0.4508
1826 0.4507
1827 0.4505
1828 0.4504
1829 0.4518
1830 0.4501
1831 0.4514
1832 0.4497
1833 0.4511
1834 0.451
1835 0.4508
1836 0.4506
1837 0.4505
1838 0.4519
1839 0.4502
1840 0.4515
1841 0.4499
1842 0.4512
1843 0.4511
1844 -0.5675
1845 -0.5663
1846 -0.5681
1847 -0.5668
1848 -0.5685
1849 -0.567
1850 -0.5669
1851 -1.122
1852 -1.12
1853 -1.123
1854 -1.12
1855 -1.121
1856 -1.121
1857 -1.123
1858 -1.121
1859 -1.12
1860 -1.123
1861 -1.122
1862 -1.12
1863 -1.122
1864 -1.121
1865 -1.121
1866 -1.122
1867 -1.12
1868 -1.123
1869 -1.121
1870 -1.121
1871 -1.12
1872 -1.122
1873 -1.123
1874 -1.121
1875 -1.12
1876 -1.122
1877 -1.122
1878 -1.119
1879 -1.123
1880 -1.12
1881 -1.121
1882 -1.122
1883 -1.122
1884 -1.12
1885 -1.123
1886 -1.12
1887 -1.122
1888 -1.121
1889 -1.122
1890 -1.12
1891 -1.121
1892 -1.122
1893 -1.122
1894 -1.119
1895 -1.122
1896 -1.121
1897 -1.12
1898 -1.122
1899 -1.121
1900 -1.122
1901 1.03
1902 1.032
1903 1.03
1904 1.029
1905 1.034
1906 1.029
1907 1.03
1908 1.032
1909 1.03
1910 1.031
1911 1.032
1912 1.031
1913 1.029
1914 5.858
1915 5.856
1916 5.854
1917 5.855
1918 5.856
1919 5.857
1920 5.855
1921 5.856
1922 5.854
1923 5.858
1924 5.856
1925 5.854
1926 5.857
1927 7.356
1928 7.355
1929 7.353
1930 7.356
1931 7.355
1932 7.14
1933 7.138
1934 7.14
1935 7.139
1936 7.14
1937 7.488
1938 7.488
1939 7.488
1940 7.489
1941 7.487
1942 7.49
1943 7.488
1944 7.487
1945 7.488
1946 7.489
1947 7.738
1948 7.738
1949 7.738
1950 7.738
1951 8.384
1952 8.059
1953 7.868
1954 7.777
1955 7.762
1956 7.802
1957 7.874
1958 7.962
1959 8.058
1960 8.149
1961 8.243
1962 8.347
1963 8.463
1964 8.602
1965 8.736
1966 9.577
1967 -4.738
1968 14.93
1969 -2.686
1970 1.626
1971 12.01
1972 -4.687
1973 7.791
1974 17.99
1975 -4.901
1976 8.22
1977 2.077
1978 9.883
1979 3.928
1980 0.4843
1981 8.501
1982 9.969
1983 5.411
1984 5.414
1985 5.403
1986 8.394
1987 7.114
1988 2.4
1989 2.998
1990 2.191
1991 4.872
1992 0.8669
1993 0.07264
1994 0.8201
1995 0.5699
1996 0.4374
1997 2.084
1998 6.393
1999 4.121
2000 4.026
2001 1.257
2002 4.152
2003 2.991
2004 1.414
2005 2.725
2006 1.151
2007 2.126
2008 1.771
2009 1.578
2010 1.577
2011 1.641