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	0.4689
1822	0.4689
1823	0.4689
1824	0.4689
1825	0.4689
1826	0.4689
1827	0.4689
1828	0.4689
1829	0.4689
1830	0.4689
1831	0.4689
1832	0.4689
1833	0.4689
1834	0.4689
1835	0.4689
1836	0.4689
1837	0.4689
1838	0.4689
1839	0.4689
1840	0.4689
1841	0.4689
1842	0.4689
1843	0.4689
1844	0.4689
1845	0.4689
1846	0.4689
1847	0.4689
1848	0.4689
1849	0.4689
1850	0.4689
1851	0.4689
1852	0.4689
1853	0.4689
1854	0.4689
1855	0.4689
1856	0.4689
1857	0.4689
1858	0.4689
1859	0.4689
1860	0.4689
1861	0.4689
1862	0.4689
1863	0.4689
1864	0.4689
1865	0.4689
1866	0.4689
1867	0.4689
1868	0.4689
1869	0.4689
1870	0.4689
1871	0.4689
1872	0.4689
1873	0.4689
1874	0.4689
1875	0.4689
1876	0.4689
1877	0.4689
1878	0.4689
1879	0.4689
1880	0.4689
1881	0.4689
1882	0.4689
1883	0.4689
1884	0.4689
1885	0.4689
1886	0.4689
1887	0.4689
1888	0.4689
1889	0.4689
1890	0.4689
1891	0.4689
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	0.4689
1903	0.4689
1904	0.4689
1905	0.9364
1906	0.9375
1907	0.9362
1908	0.9373
1909	0.9367
1910	0.937
1911	0.9364
1912	2.52
1913	2.521
1914	2.791
1915	2.792
1916	2.792
1917	2.792
1918	2.791
1919	2.792
1920	2.792
1921	2.791
1922	4.518
1923	4.519
1924	4.518
1925	4.519
1926	4.518
1927	4.519
1928	4.518
1929	4.519
1930	4.518
1931	4.518
1932	4.518
1933	4.519
1934	4.519
1935	4.518
1936	4.518
1937	1.817
1938	1.817
1939	1.817
1940	1.817
1941	1.817
1942	1.817
1943	1.817
1944	1.817
1945	1.817
1946	1.817
1947	9.452
1948	9.451
1949	9.451
1950	9.452
1951	5.047
1952	4.059
1953	4.335
1954	4.132
1955	3.798
1956	3.612
1957	3.559
1958	3.381
1959	3.883
1960	3.286
1961	4.346
1962	3.789
1963	4.278
1964	4.659
1965	4.368
1966	11.31
1967	11.8
1968	11.95
1969	11.38
1970	11.1
1971	19.23
1972	32.21
1973	21.48
1974	19.89
1975	-2.348
1976	17.29
1977	2.181
1978	17.77
1979	9.021
1980	13.61
1981	9.157
1982	7.143
1983	15.48
1984	10.95
1985	7.251
1986	7.562
1987	8.771
1988	15.69
1989	12.88
1990	5.878
1991	4.761
1992	2.77
1993	1.599
1994	3.17
1995	4.256
1996	5.607
1997	6.778
1998	6.171
1999	6.748
2000	9.189
2001	5.884
2002	5.746
2003	4.782
2004	4.154
2005	4.154
2006	5.692
2007	4.921
2008	3.203
2009	-4.577
2010	7.114
2011	5.086
2012	4.099
2013	3.79