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	0.7344
1822	0.7341
1823	0.7341
1824	0.7342
1825	0.7342
1826	0.7343
1827	0.7338
1828	0.7342
1829	0.7345
1830	0.734
1831	0.7343
1832	0.7341
1833	0.7343
1834	0.7341
1835	0.7343
1836	0.734
1837	0.7341
1838	0.7342
1839	0.7342
1840	0.7342
1841	0.7342
1842	0.7342
1843	0.7341
1844	0.7344
1845	0.7339
1846	0.7345
1847	0.7339
1848	0.7345
1849	0.7339
1850	0.7343
1851	0.734
1852	0.7345
1853	0.7341
1854	0.7341
1855	0.7344
1856	0.734
1857	0.7342
1858	0.7341
1859	0.7343
1860	0.7341
1861	0.7343
1862	0.734
1863	0.7341
1864	0.7342
1865	0.7342
1866	0.7342
1867	0.7345
1868	0.7341
1869	0.7343
1870	0.7342
1871	0.734
1872	0.7342
1873	0.7343
1874	0.7343
1875	0.7341
1876	0.7341
1877	0.7341
1878	0.7344
1879	0.734
1880	0.7342
1881	0.7344
1882	0.7339
1883	0.7344
1884	0.7342
1885	0.7342
1886	0.7343
1887	0.734
1888	0.7342
1889	0.7342
1890	0.7344
1891	0.734
1892	0.7341
1893	0.7342
1894	0.7343
1895	0.7341
1896	0.7341
1897	0.7344
1898	0.7341
1899	0.7343
1900	0.7339
1901	0.7343
1902	0.7342
1903	0.734
1904	0.7343
1905	0.7341
1906	0.7341
1907	0.7343
1908	0.7343
1909	0.7342
1910	0.7341
1911	0.7342
1912	0.7342
1913	0.734
1914	0.7343
1915	0.734
1916	0.7342
1917	0.7342
1918	0.7343
1919	0.7342
1920	0.734
1921	0.7343
1922	0.7341
1923	0.7343
1924	0.734
1925	0.7342
1926	0.7341
1927	0.7342
1928	0.7343
1929	0.7341
1930	0.7343
1931	0.7341
1932	0.7343
1933	0.7342
1934	0.7341
1935	0.7342
1936	0.7342
1937	0.7342
1938	0.7342
1939	0.7342
1940	0.7341
1941	0.7342
1942	0.7341
1943	0.7342
1944	0.7342
1945	0.7344
1946	0.7341
1947	0.7343
1948	0.7342
1949	0.734
1950	0.7343
1951	5.816
1952	5.828
1953	5.967
1954	19.5
1955	-4.721
1956	12.61
1957	5.229
1958	1.581
1959	-0.4972
1960	3.557
1961	4.864
1962	4.211
1963	2.106
1964	8.25
1965	4.924
1966	4.276
1967	3.742
1968	1.252
1969	3.534
1970	4.008
1971	-2.665
1972	8.596
1973	2.835
1974	6.971
1975	5.09
1976	1.313
1977	-4.982
1978	15.63
1979	3.888
1980	-15.23
1981	18.45
1982	5.826
1983	-8.575
1984	3.478
1985	4.949
1986	-1.194
1987	-1.888
1988	3.596
1989	0.1237
1990	2.897
1991	4.701
1992	0.1661
1993	1.005
1994	2.304
1995	4.028
1996	4.519
1997	5.149
1998	-28.43
1999	7.698
2000	9.093
2001	-0.08633
2002	-5.249
2003	-0.6545
2004	2.186
2005	3.26
2006	2.136
2007	3.202
2008	3.222
2009	2.996
2010	3.473
2011	5.339
2012	-1.491
2013	0.3098