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	1.406
1822	1.352
1823	1.396
1824	1.391
1825	1.385
1826	1.38
1827	1.375
1828	1.37
1829	1.365
1830	1.407
1831	1.355
1832	1.396
1833	1.391
1834	1.386
1835	1.38
1836	1.375
1837	1.37
1838	1.409
1839	1.36
1840	1.399
1841	1.35
1842	1.388
1843	1.383
1844	1.378
1845	1.415
1846	1.368
1847	1.363
1848	1.399
1849	1.393
1850	1.348
1851	1.383
1852	1.418
1853	1.373
1854	1.368
1855	1.402
1856	1.358
1857	1.391
1858	1.386
1859	1.381
1860	1.376
1861	1.371
1862	1.403
1863	1.361
1864	1.392
1865	1.387
1866	1.382
1867	1.377
1868	1.372
1869	1.402
1870	1.362
1871	1.391
1872	1.386
1873	1.381
1874	1.376
1875	1.371
1876	1.399
1877	1.394
1878	1.356
1879	1.384
1880	1.379
1881	1.406
1882	1.368
1883	1.395
1884	1.358
1885	1.385
1886	1.38
1887	1.406
1888	1.369
1889	1.395
1890	1.359
1891	1.385
1892	1.38
1893	1.374
1894	1.399
1895	1.364
1896	1.389
1897	1.383
1898	1.378
1899	1.402
1900	1.368
1901	1.391
1902	1.386
1903	1.381
1904	1.375
1905	1.37
1906	1.393
1907	1.387
1908	1.382
1909	1.377
1910	1.372
1911	1.393
1912	1.388
1913	1.383
1914	3.18
1915	3.175
1916	3.196
1917	3.165
1918	3.185
1919	3.205
1920	3.175
1921	3.194
1922	3.164
1923	3.184
1924	3.203
1925	3.173
1926	3.192
1927	3.187
1928	3.182
1929	3.176
1930	3.195
1931	3.189
1932	3.184
1933	3.179
1934	3.174
1935	3.191
1936	3.186
1937	3.18
1938	3.197
1939	3.17
1940	3.187
1941	3.181
1942	3.198
1943	3.171
1944	3.187
1945	3.182
1946	3.197
1947	3.192
1948	3.166
1949	3.202
1950	3.176
1951	5.972
1952	5.178
1953	4.542
1954	4.039
1955	3.578
1956	3.278
1957	3.057
1958	2.947
1959	2.91
1960	3.013
1961	3.115
1962	3.267
1963	3.364
1964	3.407
1965	3.415
1966	3.406
1967	3.397
1968	3.421
1969	3.38
1970	3.355
1971	-2.952
1972	11.05
1973	3.788
1974	-0.4203
1975	3.291
1976	1.676
1977	0.4003
1978	7.661
1979	9.507
1980	4.509
1981	2.896
1982	-2.21
1983	-1.181
1984	3.326
1985	10.44
1986	14.07
1987	11.91
1988	15.19
1989	10.71
1990	5.599
1991	-1.233
1992	7.969
1993	8.1
1994	8.627
1995	-1.809
1996	2.91
1997	11.04
1998	10.83
1999	4.642
2000	2.781
2001	4.733
2002	1.067
2003	5.373
2004	24.56
2005	10.56
2006	20.35
2007	13.25
2008	-1.258
2009	-18.3
2010	-3.742
2011	3.994