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	1.687
1822	1.687
1823	1.687
1824	1.687
1825	1.687
1826	1.687
1827	1.687
1828	1.687
1829	1.687
1830	1.687
1831	1.687
1832	1.687
1833	1.687
1834	1.687
1835	1.687
1836	1.687
1837	1.687
1838	1.687
1839	1.687
1840	1.687
1841	1.687
1842	1.687
1843	1.687
1844	1.687
1845	1.687
1846	1.687
1847	1.687
1848	1.687
1849	1.687
1850	1.687
1851	1.363
1852	1.363
1853	1.363
1854	1.363
1855	1.363
1856	1.363
1857	1.363
1858	1.363
1859	1.363
1860	1.363
1861	1.363
1862	1.363
1863	1.363
1864	1.363
1865	1.363
1866	1.363
1867	1.363
1868	1.363
1869	1.363
1870	1.363
1871	1.362
1872	1.362
1873	1.362
1874	1.362
1875	1.362
1876	1.362
1877	1.362
1878	1.362
1879	1.362
1880	1.362
1881	1.362
1882	1.362
1883	1.362
1884	1.362
1885	1.362
1886	1.362
1887	1.362
1888	1.362
1889	1.362
1890	1.362
1891	1.362
1892	1.362
1893	1.362
1894	1.362
1895	1.362
1896	1.362
1897	1.362
1898	1.362
1899	1.362
1900	1.362
1901	1.769
1902	1.704
1903	1.756
1904	1.75
1905	1.743
1906	1.737
1907	1.731
1908	1.781
1909	1.718
1910	1.767
1911	1.705
1912	1.754
1913	1.748
1914	2.761
1915	2.834
1916	2.747
1917	2.817
1918	2.782
1919	2.798
1920	2.764
1921	2.118
1922	2.104
1923	2.137
1924	2.077
1925	2.109
1926	2.096
1927	2.127
1928	2.113
1929	2.099
1930	2.086
1931	2.115
1932	2.102
1933	2.13
1934	2.116
1935	2.102
1936	2.089
1937	2.115
1938	2.101
1939	2.088
1940	2.113
1941	2.099
1942	2.123
1943	2.109
1944	2.096
1945	2.119
1946	1.786
1947	1.734
1948	2.166
1949	2.1
1950	0.1236
1951	6.959
1952	2.958
1953	-9.511
1954	2.05
1955	5.249
1956	-5.957
1957	-3.324
1958	2.349
1959	-0.3498
1960	4.252
1961	2.036
1962	5.517
1963	6.357
1964	4.748
1965	4.841
1966	7.148
1967	6.173
1968	8.437
1969	4.393
1970	5.155
1971	3.763
1972	5.069
1973	6.844
1974	5.132
1975	6.593
1976	7.773
1977	4.122
1978	3.275
1979	-0.03814
1980	-0.796
1981	1.22
1982	-3.975
1983	-4.043
1984	1.45
1985	-0.2647
1986	-2.805
1987	2.938
1988	4.003
1989	2.95
1990	5.134
1991	5.334
1992	1.648
1993	4.199
1994	4.848
1995	4.767
1996	4.477
1997	5.093
1998	5.32
1999	0.5492
2000	2.588
2001	1.903
2002	2.7
2003	3.077
2004	4.195
2005	4.4
2006	4.415
2007	4.16
2008	5.734
2009	2.972
2010	3.775
2011	4.812
2012	4.852
2013	6.463