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	0.5114
1822	0.5114
1823	0.5114
1824	0.5114
1825	0.5114
1826	0.5114
1827	0.5114
1828	0.5114
1829	0.5114
1830	0.5114
1831	0.5114
1832	0.5114
1833	0.5114
1834	0.5114
1835	0.5114
1836	0.5114
1837	0.5114
1838	0.5114
1839	0.5114
1840	0.5114
1841	0.5114
1842	0.5114
1843	0.5114
1844	0.5114
1845	0.5114
1846	0.5114
1847	0.5114
1848	0.5114
1849	0.5114
1850	0.5114
1851	0.6266
1852	0.6266
1853	0.6266
1854	0.6266
1855	0.6266
1856	0.6266
1857	0.6266
1858	0.6266
1859	0.6266
1860	0.6266
1861	0.6266
1862	0.6266
1863	0.6266
1864	0.6266
1865	0.6266
1866	0.6266
1867	0.6266
1868	0.6266
1869	0.6266
1870	0.6266
1871	2.012
1872	2.012
1873	2.012
1874	2.012
1875	2.012
1876	2.012
1877	2.012
1878	2.012
1879	2.012
1880	2.012
1881	2.012
1882	2.012
1883	2.012
1884	2.012
1885	2.012
1886	2.012
1887	2.012
1888	2.012
1889	2.012
1890	2.012
1891	1.241
1892	1.241
1893	1.241
1894	1.241
1895	1.241
1896	1.241
1897	1.241
1898	1.241
1899	1.241
1900	1.241
1901	1.578
1902	1.576
1903	1.573
1904	1.584
1905	1.581
1906	1.577
1907	1.574
1908	1.583
1909	1.58
1910	1.576
1911	1.826
1912	1.827
1913	1.827
1914	1.165
1915	1.165
1916	1.164
1917	1.152
1918	1.648
1919	1.65
1920	1.652
1921	1.653
1922	1.653
1923	1.916
1924	1.913
1925	1.909
1926	1.913
1927	1.907
1928	2.389
1929	2.391
1930	3.235
1931	3.233
1932	3.229
1933	2.848
1934	2.844
1935	2.847
1936	2.842
1937	2.842
1938	2.22
1939	1.666
1940	1.668
1941	1.669
1942	1.632
1943	2.406
1944	2.369
1945	2.369
1946	2.367
1947	2.376
1948	2.222
1949	2.224
1950	8.356
1951	6.632
1952	5.135
1953	10.56
1954	-1.254
1955	8.178
1956	1.226
1957	0.7765
1958	3.387
1959	11.85
1960	11.99
1961	5.134
1962	7.725
1963	8.077
1964	6.826
1965	7.982
1966	11.3
1967	8.425
1968	8.284
1969	7.933
1970	6.645
1971	4.798
1972	4.317
1973	10.21
1974	4.73
1975	5.23
1976	9.427
1977	10.1
1978	10.11
1979	5.333
1980	4.512
1981	6.034
1982	5.485
1983	5.751
1984	5.99
1985	4.971
1986	5.948
1987	9.984
1988	13.71
1989	12.45
1990	11.19
1991	8.335
1992	7.629
1993	7.817
1994	8.47
1995	8.806
1996	5.716
1997	-1.383
1998	-10.37
1999	4.771
2000	5.2
2001	2.589
2002	5.761
2003	7.279
2004	6.646
2005	4.763
2006	5.311
2007	5.504
2008	2.625
2009	-1.912
2010	7.864
2011	0.3402
2012	6.576
2013	2.878