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	1.153
1822	1.154
1823	1.156
1824	1.153
1825	1.155
1826	1.152
1827	1.157
1828	1.151
1829	1.156
1830	1.154
1831	1.152
1832	1.157
1833	1.154
1834	1.152
1835	1.157
1836	1.154
1837	1.152
1838	1.157
1839	1.154
1840	1.152
1841	1.156
1842	1.154
1843	1.152
1844	1.156
1845	1.154
1846	1.155
1847	1.152
1848	1.153
1849	1.155
1850	1.155
1851	1.153
1852	1.312
1853	1.314
1854	1.313
1855	1.312
1856	1.311
1857	1.311
1858	1.313
1859	1.315
1860	1.311
1861	1.313
1862	1.853
1863	1.855
1864	1.853
1865	1.854
1866	1.852
1867	1.853
1868	1.854
1869	1.854
1870	1.852
1871	1.855
1872	1.978
1873	1.98
1874	1.977
1875	1.978
1876	1.98
1877	1.979
1878	1.977
1879	1.978
1880	1.979
1881	1.979
1882	0.6608
1883	0.6608
1884	0.6608
1885	0.6608
1886	0.6608
1887	0.6608
1888	0.6608
1889	0.6608
1890	0.6608
1891	0.6608
1892	2.259
1893	2.261
1894	2.259
1895	2.26
1896	2.261
1897	2.26
1898	2.26
1899	2.259
1900	2.26
1901	2.261
1902	-0.6751
1903	-0.6739
1904	-0.6746
1905	-0.6751
1906	-0.6732
1907	-0.6754
1908	-0.6729
1909	-0.6747
1910	-0.674
1911	-0.6754
1912	1.131
1913	1.131
1914	1.429
1915	1.432
1916	1.429
1917	1.432
1918	1.43
1919	1.432
1920	1.43
1921	1.43
1922	1.843
1923	1.84
1924	1.844
1925	1.841
1926	1.844
1927	1.841
1928	1.842
1929	1.843
1930	1.842
1931	1.843
1932	2.697
1933	2.697
1934	2.698
1935	2.697
1936	2.699
1937	2.696
1938	2.697
1939	2.698
1940	2.698
1941	2.697
1942	2.698
1943	2.696
1944	2.698
1945	2.697
1946	2.697
1947	2.937
1948	2.937
1949	2.935
1950	2.937
1951	5.042
1952	5.221
1953	5.372
1954	5.489
1955	5.561
1956	5.582
1957	5.551
1958	5.461
1959	5.315
1960	5.131
1961	4.522
1962	3.691
1963	-6.271
1964	3.665
1965	0.8816
1966	-0.00098
1967	-9.523
1968	6.512
1969	2.862
1970	10.75
1971	2.972
1972	25.83
1973	-11.1
1974	-8.817
1975	-7.604
1976	10.38
1977	2.832
1978	11.9
1979	3.367
1980	2.058
1981	6.189
1982	4.867
1983	4.448
1984	5.871
1985	5.991
1986	6.425
1987	4.208
1988	14.16
1989	2.042
1990	4.555
1991	0.1224
1992	6.972
1993	-0.379
1994	-3.538
1995	0.4304
1996	0.7552
1997	12.61
1998	4.573
1999	3.84
2000	1.3
2001	0.1794
2002	3.694
2003	2.805
2004	5.782
2005	2.224
2006	5.699
2007	2.696
2008	-0.4968
2009	-2.229
2010	-2.359
2011	0.341
2012	1.424
2013	2.026