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	0.8868
1822	0.8837
1823	0.8806
1824	0.8775
1825	0.9137
1826	0.8713
1827	0.9071
1828	0.8652
1829	0.9007
1830	0.8974
1831	0.8562
1832	0.8911
1833	0.8879
1834	0.8848
1835	0.8817
1836	0.9155
1837	0.8754
1838	0.8724
1839	0.9057
1840	0.8663
1841	0.8993
1842	0.896
1843	0.8928
1844	0.8896
1845	0.8864
1846	0.8833
1847	0.8802
1848	0.8771
1849	0.8741
1850	0.9052
1851	0.868
1852	0.8988
1853	0.8955
1854	0.8923
1855	0.8891
1856	0.886
1857	0.8828
1858	0.8797
1859	0.8767
1860	0.906
1861	0.8705
1862	0.8995
1863	0.8962
1864	0.8614
1865	0.89
1866	0.8868
1867	0.8837
1868	0.9114
1869	0.8773
1870	0.8743
1871	0.9017
1872	0.8682
1873	0.8953
1874	0.8921
1875	0.8889
1876	0.8857
1877	0.8826
1878	0.8795
1879	0.9055
1880	0.8733
1881	0.899
1882	0.8672
1883	0.8927
1884	0.8895
1885	0.8863
1886	0.8832
1887	0.8801
1888	0.9047
1889	0.8739
1890	0.8982
1891	0.8678
1892	0.8919
1893	0.8887
1894	0.8855
1895	0.8824
1896	0.9057
1897	0.8761
1898	0.8992
1899	0.87
1900	0.8929
1901	0.8897
1902	0.8865
1903	0.8834
1904	0.8803
1905	0.9023
1906	0.8741
1907	0.8959
1908	0.8927
1909	0.8895
1910	0.8863
1911	0.8832
1912	0.8801
1913	0.877
1914	1.511
1915	1.507
1916	1.48
1917	1.501
1918	1.498
1919	1.518
1920	1.492
1921	1.489
1922	1.508
1923	1.505
1924	1.502
1925	1.499
1926	1.496
1927	1.493
1928	1.512
1929	1.486
1930	1.505
1931	1.502
1932	1.499
1933	1.496
1934	1.493
1935	1.511
1936	1.486
1937	1.505
1938	1.501
1939	1.498
1940	1.495
1941	1.513
1942	1.489
1943	1.506
1944	1.503
1945	1.5
1946	1.497
1947	1.493
1948	1.51
1949	1.487
1950	1.504
1951	2.009
1952	2.345
1953	2.536
1954	2.623
1955	2.669
1956	2.676
1957	2.718
1958	2.775
1959	2.914
1960	3.061
1961	3.216
1962	3.343
1963	3.319
1964	3.171
1965	2.926
1966	2.651
1967	2.419
1968	2.239
1969	2.138
1970	2.096
1971	2.324
1972	1.026
1973	33.96
1974	15.31
1975	0.04676
1976	0.3437
1977	2.405
1978	5.624
1979	2.11
1980	-7.133
1981	-7.008
1982	-19.28
1983	-0.3319
1984	7.226
1985	-2.32
1986	-1.24
1987	8.96
1988	9.27
1989	-2.941
1990	14.48
1991	3.03
1992	2.435
1993	3.904
1994	10.05
1995	-5.25
1996	0.6485
1997	9.839
1998	10.06
1999	2.07
2000	-12.99
2001	13.14
2002	5.642
2003	5.689
2004	4.138
2005	4.07