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	0.8188
1822	0.8188
1823	0.8188
1824	0.8188
1825	0.8188
1826	0.8188
1827	0.8188
1828	0.8188
1829	0.8188
1830	0.8189
1831	0.8188
1832	0.8188
1833	0.8188
1834	0.8189
1835	0.8188
1836	0.8188
1837	0.8189
1838	0.8188
1839	0.8188
1840	0.8189
1841	0.8188
1842	0.8188
1843	0.8188
1844	0.8188
1845	0.8188
1846	0.8188
1847	0.8188
1848	0.8188
1849	0.8188
1850	0.8188
1851	0.8188
1852	0.8188
1853	0.8189
1854	0.8188
1855	0.8188
1856	0.8188
1857	0.8189
1858	0.8188
1859	0.8188
1860	0.8188
1861	0.8188
1862	0.8188
1863	0.8188
1864	0.8188
1865	0.8188
1866	0.8188
1867	0.8189
1868	0.8188
1869	0.8188
1870	0.8188
1871	1.288
1872	1.288
1873	1.288
1874	1.288
1875	1.288
1876	1.288
1877	1.288
1878	1.288
1879	1.288
1880	1.288
1881	1.288
1882	1.288
1883	1.288
1884	1.288
1885	1.288
1886	1.288
1887	1.288
1888	1.288
1889	1.288
1890	1.288
1891	1.288
1892	1.288
1893	1.288
1894	1.288
1895	1.288
1896	1.288
1897	1.288
1898	1.288
1899	1.288
1900	1.288
1901	1.288
1902	1.288
1903	1.288
1904	1.288
1905	1.288
1906	1.288
1907	1.288
1908	1.288
1909	1.288
1910	1.288
1911	1.288
1912	1.288
1913	1.288
1914	1.667
1915	1.667
1916	1.667
1917	1.667
1918	1.667
1919	1.667
1920	1.667
1921	1.667
1922	1.667
1923	1.667
1924	1.667
1925	1.667
1926	1.667
1927	1.667
1928	1.667
1929	1.667
1930	1.667
1931	1.667
1932	1.667
1933	1.667
1934	1.667
1935	1.667
1936	1.667
1937	1.667
1938	1.667
1939	1.667
1940	1.667
1941	1.667
1942	1.667
1943	1.667
1944	1.667
1945	1.667
1946	1.667
1947	1.667
1948	1.667
1949	1.667
1950	1.667
1951	-4.118
1952	25.7
1953	13.22
1954	14.66
1955	-9.758
1956	18.45
1957	6.179
1958	-13.88
1959	3.574
1960	1.51
1961	7.767
1962	23.21
1963	-0.4427
1964	1.87
1965	-0.609
1966	-7.986
1967	7.969
1968	3.447
1969	18.43
1970	-4.052
1971	9.378
1972	24.53
1973	-8.912
1974	23.59
1975	18.96
1976	10.41
1977	-1.781
1978	8.163
1979	3.137
1980	11.53
1981	9.137
1982	1.527
1983	0.8493
1984	-4.645
1985	5.398
1986	-5.654
1987	1.08
1988	12.36
1989	-9.613
1990	6.673
1991	6.273
1992	6.696
1993	10.28
1994	7.296
1995	5.567
1996	6.335
1997	1.712
1998	6.782
1999	-3.697
2000	1.901
2001	3.572
2002	5.989
2003	1.252
2004	2.842
2005	4.315
2006	4.922
2007	5.298
2008	3.913
2009	5.233
2010	3.801
2011	-0.2391
2012	-0.2861