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	0.3065
1822	0.3065
1823	0.3065
1824	0.3065
1825	0.3066
1826	0.3065
1827	0.3064
1828	0.3065
1829	0.3066
1830	0.3065
1831	0.3064
1832	0.3065
1833	0.3065
1834	0.3065
1835	0.3065
1836	0.3066
1837	0.3065
1838	0.3066
1839	0.3065
1840	0.3064
1841	0.3065
1842	0.3066
1843	0.3065
1844	0.3064
1845	0.3065
1846	0.3066
1847	0.3065
1848	0.3064
1849	0.3065
1850	0.3066
1851	0.3065
1852	0.3064
1853	0.3067
1854	0.3064
1855	0.3065
1856	0.3066
1857	0.3065
1858	0.3064
1859	0.3065
1860	0.3066
1861	0.3065
1862	0.3065
1863	0.3065
1864	0.3065
1865	0.3065
1866	0.3065
1867	0.3066
1868	0.3064
1869	0.3066
1870	0.3065
1871	0.3446
1872	0.3447
1873	0.3447
1874	0.3448
1875	0.3447
1876	0.3446
1877	0.3447
1878	0.3446
1879	0.3447
1880	0.3446
1881	0.3447
1882	0.3447
1883	0.3447
1884	0.3447
1885	0.3447
1886	0.3447
1887	0.3447
1888	0.3447
1889	0.3447
1890	0.3447
1891	0.3446
1892	0.3448
1893	0.3446
1894	0.3448
1895	0.3446
1896	0.3448
1897	0.3447
1898	0.3446
1899	0.3447
1900	0.3448
1901	0.3447
1902	0.3446
1903	0.3448
1904	0.3447
1905	0.3446
1906	0.3447
1907	0.3447
1908	0.3447
1909	0.3447
1910	0.3446
1911	0.3447
1912	0.3447
1913	0.3446
1914	0.3526
1915	0.3526
1916	0.3526
1917	0.3526
1918	0.3526
1919	0.3525
1920	0.3527
1921	0.3526
1922	0.3527
1923	0.3526
1924	0.3526
1925	0.3526
1926	0.3526
1927	0.3526
1928	0.3525
1929	0.3526
1930	0.3527
1931	0.3525
1932	0.3527
1933	0.3525
1934	0.3527
1935	0.3525
1936	0.3527
1937	0.3526
1938	0.3527
1939	0.3526
1940	0.3526
1941	0.3527
1942	0.3526
1943	0.3527
1944	0.3525
1945	0.3527
1946	0.3525
1947	0.3527
1948	0.3527
1949	0.3525
1950	0.3526
1951	4.557
1952	5.187
1953	4.869
1954	5.081
1955	4.957
1956	5.031
1957	5.329
1958	5.183
1959	5.49
1960	5.649
1961	5.851
1962	5.995
1963	6.303
1964	6.156
1965	6.123
1966	5.977
1967	6.12
1968	5.956
1969	5.932
1970	6.127
1971	6.129
1972	6.073
1973	6.067
1974	6.049
1975	5.907
1976	5.747
1977	5.919
1978	5.757
1979	5.74
1980	5.673
1981	8.148
1982	8.118
1983	5.573
1984	5.769
1985	5.632
1986	9.449
1987	3.636
1988	5.154
1989	2.414
1990	-3.124
1991	-9.95
1992	-10.24
1993	-3.647
1994	1.831
1995	6.053
1996	2.34
1997	4.215
1998	3.875
1999	3.566
2000	1.351
2001	3.162
2002	4.881
2003	7.169
2004	10.87
2005	7.643
2006	8.809
2007	10.41
2008	8.839
2009	-1.5
2010	6.339
2011	18.04
2012	12.02
2013	11.12