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	4.31
1822	4.31
1823	4.31
1824	4.31
1825	4.309
1826	4.31
1827	4.31
1828	4.31
1829	4.31
1830	4.31
1831	4.31
1832	4.31
1833	4.31
1834	4.31
1835	4.31
1836	4.31
1837	4.31
1838	4.31
1839	4.31
1840	4.31
1841	4.31
1842	4.31
1843	4.31
1844	4.31
1845	4.31
1846	4.31
1847	4.31
1848	4.31
1849	4.31
1850	4.31
1851	1.714
1852	1.714
1853	1.714
1854	1.714
1855	1.714
1856	1.714
1857	1.714
1858	1.714
1859	1.714
1860	1.714
1861	1.714
1862	1.714
1863	1.714
1864	1.714
1865	1.714
1866	1.714
1867	1.714
1868	1.714
1869	1.714
1870	1.714
1871	1.704
1872	1.704
1873	1.704
1874	1.704
1875	1.704
1876	1.704
1877	1.704
1878	1.704
1879	1.704
1880	1.704
1881	1.704
1882	1.704
1883	1.704
1884	1.704
1885	1.704
1886	1.704
1887	1.704
1888	1.704
1889	1.704
1890	1.704
1891	1.704
1892	1.704
1893	1.704
1894	1.704
1895	1.704
1896	1.704
1897	1.704
1898	1.704
1899	1.704
1900	1.704
1901	3.545
1902	3.718
1903	3.659
1904	3.603
1905	3.549
1906	3.498
1907	3.649
1908	3.594
1909	3.732
1910	3.485
1911	3.619
1912	3.565
1913	3.687
1914	3.63
1915	3.575
1916	3.685
1917	3.628
1918	3.573
1919	3.672
1920	3.615
1921	3.561
1922	3.651
1923	3.595
1924	3.677
1925	3.62
1926	3.565
1927	3.639
1928	3.584
1929	3.531
1930	3.598
1931	3.66
1932	3.603
1933	3.659
1934	3.603
1935	3.549
1936	3.703
1937	3.645
1938	3.687
1939	3.629
1940	-5.348
1941	1.644
1942	5.862
1943	2.1
1944	2.151
1945	-3.524
1946	9.772
1947	-13.05
1948	1.143
1949	16.81
1950	-1.802
1951	1.868
1952	-1.759
1953	2.765
1954	1.654
1955	4.491
1956	4.237
1957	4.654
1958	5.694
1959	-0.1746
1960	1.002
1961	4.827
1962	7.132
1963	2.831
1964	4.435
1965	5.831
1966	1.15
1967	6.414
1968	3.569
1969	3.842
1970	6.094
1971	4.132
1972	4.841
1973	7.244
1974	7.759
1975	6.111
1976	6.908
1977	11.03
1978	11.4
1979	11.59
1980	14.98
1981	8.953
1982	-3.292
1983	-2.877
1984	3.23
1985	3.997
1986	-0.161
1987	4.291
1988	6.34
1989	5.651
1990	2.83
1991	2.212
1992	1.366
1993	3.6
1994	2.561
1995	4.014
1996	0.7895
1997	2.056
1998	-0.9456
1999	-0.06731
2000	-0.9714
2001	1.487
2002	-0.6335
2003	3.201
2004	3.49
2005	2.287
2006	4.682
2007	5.259
2008	6.164
2009	-4.161
2010	12.85
2011	4.097
2012	-1.25
2013	12.96