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	0.3821
1822	0.3821
1823	0.3821
1824	0.3821
1825	0.3821
1826	0.3821
1827	0.3821
1828	0.3821
1829	0.3821
1830	0.3821
1831	0.3821
1832	0.3821
1833	0.3821
1834	0.3821
1835	0.3821
1836	0.3821
1837	0.3821
1838	0.3821
1839	0.3821
1840	0.3821
1841	0.3821
1842	0.3821
1843	0.3821
1844	0.3821
1845	0.3821
1846	0.3821
1847	0.3821
1848	0.3821
1849	0.3821
1850	0.3821
1851	0.3828
1852	0.3828
1853	0.3828
1854	0.3828
1855	0.3828
1856	0.3828
1857	0.3828
1858	0.3828
1859	0.3828
1860	0.3828
1861	0.3828
1862	0.3828
1863	0.3828
1864	0.3828
1865	0.3828
1866	0.3828
1867	0.3828
1868	0.3828
1869	0.3828
1870	0.3828
1871	1.218
1872	1.218
1873	1.218
1874	1.218
1875	1.218
1876	1.218
1877	1.218
1878	1.218
1879	1.218
1880	1.218
1881	1.218
1882	1.218
1883	1.218
1884	1.218
1885	1.218
1886	1.218
1887	1.218
1888	1.218
1889	1.218
1890	1.218
1891	0.8886
1892	0.8886
1893	0.8886
1894	0.8886
1895	0.8886
1896	0.8886
1897	0.8886
1898	0.8886
1899	0.8886
1900	0.8886
1901	1.22
1902	1.22
1903	1.22
1904	1.22
1905	1.22
1906	1.22
1907	1.22
1908	1.22
1909	1.22
1910	1.22
1911	1.22
1912	1.22
1913	1.22
1914	0.8029
1915	0.8029
1916	0.8029
1917	0.8029
1918	0.8029
1919	0.8029
1920	0.8029
1921	0.8029
1922	0.8029
1923	0.8029
1924	0.8029
1925	0.8028
1926	0.8029
1927	0.8029
1928	0.8029
1929	0.8029
1930	0.8029
1931	0.8029
1932	0.8029
1933	0.8029
1934	0.8029
1935	0.8029
1936	0.8028
1937	0.8029
1938	0.8029
1939	0.8029
1940	0.8029
1941	0.8029
1942	0.8029
1943	0.8029
1944	0.8029
1945	0.8029
1946	0.8029
1947	0.8029
1948	0.8029
1949	0.8029
1950	0.8029
1951	3.553
1952	4.045
1953	6.727
1954	2.714
1955	2.598
1956	5.125
1957	0.623
1958	6.266
1959	3.413
1960	2.74
1961	2.827
1962	2.687
1963	2.659
1964	2.6
1965	2.672
1966	7.326
1967	-1.302
1968	0.9694
1969	4.786
1970	2.908
1971	-0.9134
1972	3.326
1973	-0.363
1974	6.407
1975	1.502
1976	4.358
1977	2.938
1978	4.283
1979	2.237
1980	-2.484
1981	-0.1733
1982	12.23
1983	-3.088
1984	9.493
1985	5.998
1986	4.106
1987	3.793
1988	7.708
1989	2.167
1990	7.353
1991	6.291
1992	4.045
1993	3.804
1994	8.209
1995	3.488
1996	5.366
1997	4.087
1998	1.912
1999	3.344
2000	6.532
2001	5.318
2002	-0.3
2003	3.069
2004	3.526
2005	2.272
2006	1.73
2007	3.412
2008	6.105
2009	4.533
2010	4.816
2011	3.884
2012	5.425
2013	3.707