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	1.188
1822	1.19
1823	1.188
1824	1.19
1825	1.187
1826	1.19
1827	1.187
1828	1.189
1829	1.191
1830	1.189
1831	1.186
1832	1.188
1833	1.19
1834	1.187
1835	1.19
1836	1.187
1837	1.189
1838	1.191
1839	1.188
1840	1.19
1841	1.187
1842	1.189
1843	1.186
1844	1.188
1845	1.19
1846	1.187
1847	1.189
1848	1.191
1849	1.188
1850	1.186
1851	1.192
1852	1.189
1853	1.186
1854	1.192
1855	1.185
1856	1.191
1857	1.188
1858	1.19
1859	1.187
1860	1.189
1861	1.19
1862	1.187
1863	1.189
1864	1.19
1865	1.187
1866	1.189
1867	1.19
1868	1.187
1869	1.189
1870	1.19
1871	1.187
1872	1.188
1873	1.19
1874	1.187
1875	1.188
1876	1.189
1877	1.19
1878	1.188
1879	1.189
1880	1.19
1881	1.187
1882	1.188
1883	1.189
1884	1.19
1885	1.187
1886	1.188
1887	1.189
1888	1.19
1889	1.187
1890	1.188
1891	1.189
1892	1.186
1893	1.191
1894	1.188
1895	1.189
1896	1.19
1897	1.187
1898	1.188
1899	1.192
1900	1.186
1901	1.19
1902	1.19
1903	1.188
1904	1.188
1905	1.189
1906	1.189
1907	1.187
1908	1.191
1909	1.188
1910	1.188
1911	1.189
1912	1.189
1913	1.187
1914	2.99
1915	2.987
1916	2.987
1917	2.991
1918	2.988
1919	2.985
1920	2.989
1921	2.989
1922	2.986
1923	2.99
1924	2.987
1925	2.987
1926	2.988
1927	2.988
1928	2.988
1929	2.988
1930	2.989
1931	2.989
1932	2.989
1933	2.986
1934	2.989
1935	2.989
1936	2.986
1937	2.989
1938	2.987
1939	2.99
1940	2.987
1941	2.99
1942	2.987
1943	2.99
1944	2.987
1945	2.987
1946	2.99
1947	2.987
1948	2.989
1949	2.987
1950	2.989
1951	2.981
1952	4.333
1953	5.566
1954	6.569
1955	7.269
1956	7.619
1957	7.601
1958	7.242
1959	6.581
1960	5.713
1961	4.77
1962	3.913
1963	3.309
1964	3.053
1965	3.045
1966	3.08
1967	3.051
1968	3.044
1969	3.042
1970	3.046
1971	8.821
1972	8.894
1973	8.888
1974	8.782
1975	8.603
1976	8.391
1977	8.224
1978	8.141
1979	8.184
1980	8.348
1981	8.538
1982	8.692
1983	8.843
1984	8.939
1985	9.009
1986	9.091
1987	16.17
1988	18.76
1989	12.12
1990	3.852
1991	7.654
1992	5.439
1993	6.942
1994	8.086
1995	2.733
1996	1.814
1997	8.749
1998	7.654
1999	1.857
2000	4.8
2001	-0.6277
2002	-2.787
2003	-0.2416
2004	6.96
2005	1.175
2006	0.3804
2007	2.355
2008	-3.655
2009	-6.881
2010	-5.654
2011	8.854