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	0.7077
1822	0.6517
1823	0.705
1824	0.7035
1825	0.7021
1826	0.7007
1827	0.6993
1828	0.6979
1829	0.6434
1830	0.6953
1831	0.694
1832	0.6926
1833	0.6913
1834	0.7421
1835	0.6884
1836	0.6871
1837	0.6858
1838	0.6845
1839	0.6832
1840	0.682
1841	0.7315
1842	0.6792
1843	0.678
1844	0.727
1845	0.6754
1846	0.6741
1847	0.7227
1848	0.6715
1849	0.7197
1850	0.669
1851	0.7168
1852	0.6665
1853	0.714
1854	0.664
1855	0.7112
1856	0.7097
1857	0.6603
1858	0.7069
1859	0.7055
1860	0.6566
1861	0.7028
1862	0.7014
1863	0.7
1864	0.6986
1865	0.6972
1866	0.6958
1867	0.6944
1868	0.6931
1869	0.6917
1870	0.6904
1871	0.6891
1872	0.6877
1873	0.6864
1874	0.6851
1875	0.6838
1876	0.7273
1877	0.6811
1878	0.6799
1879	0.7229
1880	0.6772
1881	0.676
1882	0.7185
1883	0.6734
1884	0.7156
1885	0.6708
1886	0.7128
1887	0.6683
1888	0.71
1889	0.7085
1890	0.6645
1891	0.7057
1892	0.7043
1893	0.6608
1894	0.7016
1895	0.7002
1896	0.6988
1897	0.6974
1898	0.696
1899	0.6946
1900	0.6933
1901	0.6919
1902	0.6906
1903	0.6893
1904	0.6879
1905	0.6866
1906	0.6853
1907	0.724
1908	0.6826
1909	0.6813
1910	0.6801
1911	0.7182
1912	0.6774
1913	0.7153
1914	4.11
1915	4.149
1916	4.108
1917	4.146
1918	4.105
1919	4.143
1920	4.142
1921	4.101
1922	4.139
1923	4.137
1924	4.136
1925	4.135
1926	4.095
1927	4.132
1928	4.13
1929	4.129
1930	4.128
1931	4.126
1932	4.163
1933	4.123
1934	4.122
1935	4.121
1936	4.119
1937	4.155
1938	4.117
1939	4.115
1940	4.151
1941	4.113
1942	4.148
1943	4.11
1944	4.145
1945	4.107
1946	4.142
1947	4.14
1948	4.103
1949	4.137
1950	4.136
1951	7.472
1952	8.225
1953	8.43
1954	8.228
1955	7.983
1956	7.731
1957	7.639
1958	7.764
1959	8.229
1960	8.804
1961	9.412
1962	9.784
1963	9.704
1964	9.083
1965	8.238
1966	7.328
1967	6.649
1968	6.111
1969	5.859
1970	5.785
1971	6.833
1972	6.852
1973	6.838
1974	6.829
1975	6.844
1976	6.834
1977	6.847
1978	6.844
1979	6.829
1980	6.839
1981	6.835
1982	6.839
1983	6.822
1984	6.844
1985	6.848
1986	4.907
1987	3.075
1988	1.264
1989	-0.4507
1990	-2.137
1991	-3.75
1992	-7.336
1993	-7.336
1994	-7.334
1995	-7.327
1996	-7.342
1997	-7.327
1998	-1.86
1999	-1.857
2000	-0.09745
2001	0.5982
2002	0.7912
2003	0.01268
2004	-0.01214
2005	0.0087
2006	-20.33
2007	-10.76
2008	95.58
2009	-18.16
2010	0
2011	4