Year Total
1801 0.1706
1802 0.1706
1803 0.1706
1804 0.1706
1805 0.1706
1806 0.1706
1807 0.1706
1808 0.1706
1809 0.1706
1810 0.1706
1811 0.1706
1812 0.1706
1813 0.1706
1814 0.1706
1815 0.1706
1816 0.1706
1817 0.1706
1818 0.1706
1819 0.1706
1820 0.1706
1821 0.9198
1822 0.923
1823 0.9217
1824 0.9204
1825 0.9234
1826 0.9178
1827 0.9249
1828 0.9193
1829 0.922
1830 0.9205
1831 0.9231
1832 0.9216
1833 0.92
1834 0.9225
1835 0.9208
1836 0.9192
1837 0.9215
1838 0.9236
1839 0.9219
1840 0.9201
1841 0.9221
1842 0.9203
1843 0.9222
1844 0.9203
1845 0.9221
1846 0.9202
1847 0.9219
1848 0.9199
1849 0.9215
1850 0.923
1851 0.9209
1852 0.9223
1853 0.9202
1854 0.9215
1855 0.9193
1856 0.924
1857 0.9217
1858 0.9195
1859 0.9205
1860 0.9216
1861 0.9225
1862 0.9202
1863 0.921
1864 0.9218
1865 0.9226
1866 0.9201
1867 0.9208
1868 0.9215
1869 0.922
1870 0.9225
1871 0.92
1872 0.9204
1873 0.9238
1874 0.9212
1875 0.9215
1876 0.9188
1877 0.922
1878 0.9221
1879 0.9223
1880 0.9195
1881 0.9224
1882 0.9196
1883 0.9223
1884 0.9223
1885 0.9194
1886 0.922
1887 0.9218
1888 0.9215
1889 0.9212
1890 0.9209
1891 0.9206
1892 0.9228
1893 0.9223
1894 0.9193
1895 0.9213
1896 0.9233
1897 0.9202
1898 0.9221
1899 0.9214
1900 0.9207
1901 0.9224
1902 0.9192
1903 0.9232
1904 0.92
1905 0.9215
1906 0.9205
1907 0.9219
1908 0.9209
1909 0.9222
1910 0.9211
1911 0.9223
1912 0.9212
1913 0.92
1914 0.9211
1915 0.922
1916 0.9208
1917 0.9217
1918 0.9225
1919 0.9211
1920 0.9198
1921 0.9225
1922 0.9211
1923 0.9217
1924 0.9202
1925 0.9227
1926 0.9211
1927 0.9215
1928 0.9199
1929 0.9222
1930 0.9205
1931 0.9227
1932 0.921
1933 0.9211
1934 0.9212
1935 0.9213
1936 0.9213
1937 0.9213
1938 0.9212
1939 0.9211
1940 0.921
1941 0.9226
1942 0.9206
1943 0.9221
1944 0.92
1945 0.9214
1946 0.9228
1947 0.9206
1948 0.9218
1949 0.9213
1950 0.9208
1951 -1.728
1952 -1.318
1953 -0.5736
1954 4.249
1955 -9.266
1956 7.266
1957 1.203
1958 11.93
1959 -8.796
1960 12.03
1961 8.043
1962 6.502
1963 5.669
1964 5.441
1965 5.62
1966 7.737
1967 6.936
1968 7.089
1969 6.957
1970 6.432
1971 5.375
1972 2.291
1973 1.592
1974 5.684
1975 5.378
1976 1.639
1977 23.42
1978 2.897
1979 16.34
1980 -1.081
1981 -10.31
1982 3.093
1983 -3.874
1984 -6.03
1985 9.3
1986 -5.832
1987 -2.93
1988 1.999
1989 3.135
1990 -2.153
1991 1.201
1992 0.7
1993 1.1
1994 2.2
1995 2
1996 1.5
1997 0.9963
1998 2.5
1999 2.5
2000 0.4484
2001 3.064
2002 1.99
2003 6.735
2004 4.547
2005 3.08
2006 12.29
2007 2.371
2008 9.444
2009 4.821
2010 4.5
2011 4.943
2012 -5.61
2013 4