Year	Total
1801	2.393
1802	2.393
1803	2.393
1804	2.393
1805	2.394
1806	2.393
1807	2.393
1808	2.394
1809	2.393
1810	2.394
1811	2.393
1812	2.393
1813	2.393
1814	2.393
1815	2.393
1816	2.332
1817	2.332
1818	2.332
1819	2.332
1820	2.332
1821	2.951
1822	2.95
1823	2.95
1824	2.95
1825	2.95
1826	2.951
1827	2.95
1828	2.95
1829	2.95
1830	2.95
1831	2.95
1832	2.95
1833	2.819
1834	2.819
1835	2.819
1836	2.819
1837	2.819
1838	2.819
1839	2.819
1840	2.819
1841	2.819
1842	2.819
1843	2.819
1844	2.819
1845	2.819
1846	2.819
1847	2.819
1848	2.819
1849	2.819
1850	2.819
1851	2.187
1852	2.187
1853	2.187
1854	2.187
1855	2.187
1856	2.187
1857	2.187
1858	2.187
1859	2.187
1860	2.187
1861	1.55
1862	1.55
1863	1.55
1864	1.55
1865	1.55
1866	1.55
1867	1.55
1868	1.55
1869	1.55
1870	1.55
1871	2.362
1872	2.362
1873	2.362
1874	2.362
1875	2.362
1876	2.362
1877	2.362
1878	1.413
1879	1.413
1880	1.413
1881	1.413
1882	1.413
1883	1.413
1884	1.413
1885	1.413
1886	1.413
1887	1.413
1888	2.016
1889	2.016
1890	2.016
1891	2.016
1892	2.016
1893	2.016
1894	2.016
1895	2.016
1896	2.016
1897	2.016
1898	2.016
1899	2.016
1900	1.162
1901	2.101
1902	2.18
1903	2.153
1904	2.127
1905	2.201
1906	2.173
1907	2.147
1908	2.121
1909	2.189
1910	2.162
1911	2.136
1912	2.11
1913	2.172
1914	3.749
1915	3.725
1916	3.703
1917	3.763
1918	3.739
1919	3.716
1920	3.773
1921	4.06
1922	3.95
1923	3.996
1924	3.964
1925	3.934
1926	3.905
1927	3.806
1928	3.85
1929	3.824
1930	3.932
1931	4.298
1932	4.191
1933	4.216
1934	4.177
1935	4.078
1936	4.163
1937	4.184
1938	4.089
1939	4.111
1940	4.186
1941	5.181
1942	4.937
1943	4.557
1944	3.649
1945	4.025
1946	4.236
1947	3.193
1948	3.373
1949	2.658
1950	3.168
1951	2.503
1952	6.295
1953	5.962
1954	4.237
1955	4.132
1956	7.94
1957	5.275
1958	2.014
1959	9.085
1960	7.079
1961	9.342
1962	7.586
1963	10.44
1964	6.719
1965	8.919
1966	7.123
1967	6.444
1968	4.655
1969	7.877
1970	9.914
1971	6.026
1972	5.915
1973	7.094
1974	0.9579
1975	-2.477
1976	3.917
1977	6.514
1978	7.188
1979	6.136
1980	1.732
1981	1.505
1982	-3.08
1983	0.4306
1984	7.301
1985	2.063
1986	8.142
1987	4.853
1988	6.453
1989	4.913
1990	3.789
1991	2.551
1992	4.923
1993	4.803
1994	4.215
1995	4.515
1996	2.994
1997	3.221
1998	3.275
1999	4.181
2000	2.97
2001	1.657
2002	-0.1465
2003	0.8736
2004	0.8623
2005	1.988
2006	-2.429
2007	-1.879
2008	-1.855
2009	-0.866
2010	-0.09405
2011	-1.425