Year Total
1801 -0.02144
1802 -0.01608
1803 -0.02145
1804 -0.02145
1805 -0.01609
1806 -0.02146
1807 -0.02146
1808 -0.0161
1809 -0.02147
1810 -0.02148
1811 -0.02148
1812 -0.01611
1813 -0.02149
1814 -0.02149
1815 -0.01612
1816 -0.0215
1817 -0.02151
1818 -0.01613
1819 -0.02151
1820 -0.02152
1821 0.3085
1822 0.3031
1823 0.3031
1824 0.3085
1825 0.3031
1826 0.3031
1827 0.3085
1828 0.3031
1829 0.3031
1830 0.3085
1831 0.3031
1832 0.3031
1833 0.3085
1834 0.3031
1835 0.3031
1836 0.3085
1837 0.3031
1838 0.3031
1839 0.3085
1840 0.3031
1841 0.3031
1842 0.3085
1843 0.3031
1844 0.3247
1845 0.3247
1846 0.3247
1847 0.3247
1848 0.3247
1849 0.3247
1850 0.3247
1851 0.482
1852 0.4818
1853 0.4815
1854 0.4813
1855 0.481
1856 0.4808
1857 0.4805
1858 0.4803
1859 0.4801
1860 0.4852
1861 0.4796
1862 0.4793
1863 0.4844
1864 0.4789
1865 0.4839
1866 0.4784
1867 0.4834
1868 0.4832
1869 0.4777
1870 0.4827
1871 0.4824
1872 0.4822
1873 0.4767
1874 0.4817
1875 0.4815
1876 0.4812
1877 0.481
1878 0.4859
1879 0.4805
1880 0.4802
1881 0.48
1882 0.4798
1883 0.4847
1884 0.4793
1885 0.4842
1886 0.4788
1887 0.4837
1888 0.4783
1889 0.4832
1890 0.4829
1891 0.4776
1892 0.4824
1893 0.4822
1894 0.482
1895 0.4817
1896 0.4815
1897 0.4812
1898 0.481
1899 0.4807
1900 0.4805
1901 5.341
1902 1.242
1903 1.243
1904 1.24
1905 1.241
1906 1.241
1907 1.242
1908 1.243
1909 1.239
1910 1.244
1911 1.24
1912 1.167
1913 1.164
1914 2.074
1915 2.071
1916 2.072
1917 2.074
1918 2.071
1919 2.076
1920 2.069
1921 2.075
1922 2.74
1923 2.737
1924 2.739
1925 2.74
1926 2.74
1927 2.737
1928 2.74
1929 2.74
1930 2.739
1931 2.738
1932 3.257
1933 3.258
1934 3.258
1935 3.261
1936 3.256
1937 3.257
1938 3.261
1939 3.257
1940 4.295
1941 4.291
1942 4.294
1943 4.293
1944 4.295
1945 4.292
1946 4.294
1947 4.293
1948 4.294
1949 4.293
1950 4.293
1951 5.708
1952 5.048
1953 4.414
1954 3.855
1955 3.412
1956 3.132
1957 3.055
1958 3.206
1959 3.587
1960 4.143
1961 4.742
1962 5.221
1963 5.418
1964 5.27
1965 4.902
1966 4.524
1967 4.207
1968 3.847
1969 3.451
1970 3.045
1971 2.604
1972 2.207
1973 1.97
1974 5.076
1975 4.278
1976 1.738
1977 5.118
1978 1.829
1979 1.903
1980 16.28
1981 14.97
1982 16.17
1983 7.3
1984 2.981
1985 7.44
1986 2.488
1987 3.007
1988 -2.162
1989 -0.03703
1990 -2.512
1991 5.867
1992 -0.2937
1993 3.196
1994 4.537
1995 2.786
1996 1.41
1997 -1.998
1998 2.841
1999 4.447
2000 4.088
2001 3.428
2002 1.751
2003 3.472
2004 1.439
2005 -1.956
2006 -4.282
2007 -2.146
2008 0.7481
2009 1.121
2010 1.735
2011 1.489
2012 0.7821
2013 1.096