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	1.069
1822	1.073
1823	1.071
1824	1.074
1825	1.073
1826	1.071
1827	1.069
1828	1.073
1829	1.071
1830	1.074
1831	1.073
1832	1.071
1833	1.069
1834	1.072
1835	1.075
1836	1.069
1837	1.072
1838	1.075
1839	1.069
1840	1.072
1841	1.075
1842	1.068
1843	1.076
1844	1.07
1845	1.42
1846	1.419
1847	1.423
1848	1.421
1849	1.42
1850	1.419
1851	1.422
1852	1.42
1853	1.419
1854	1.422
1855	1.42
1856	1.419
1857	1.422
1858	1.42
1859	1.423
1860	1.421
1861	1.419
1862	1.438
1863	1.44
1864	1.438
1865	1.44
1866	1.438
1867	1.436
1868	1.441
1869	1.439
1870	1.437
1871	1.438
1872	1.026
1873	1.029
1874	1.027
1875	1.03
1876	1.025
1877	1.031
1878	1.026
1879	1.028
1880	1.027
1881	1.029
1882	0.2941
1883	0.2964
1884	0.295
1885	0.2973
1886	0.2924
1887	0.2983
1888	0.2934
1889	0.2957
1890	0.2944
1891	0.2967
1892	1.384
1893	1.383
1894	1.381
1895	1.383
1896	1.382
1897	1.384
1898	1.382
1899	1.381
1900	1.386
1901	1.381
1902	2.275
1903	2.273
1904	2.275
1905	2.276
1906	2.276
1907	2.273
1908	2.276
1909	2.272
1910	2.275
1911	2.276
1912	1.516
1913	1.515
1914	2.352
1915	2.351
1916	2.349
1917	2.351
1918	2.352
1919	2.353
1920	2.349
1921	2.352
1922	2.551
1923	2.553
1924	2.55
1925	2.55
1926	2.552
1927	2.552
1928	2.551
1929	2.553
1930	2.552
1931	2.551
1932	2.552
1933	2.551
1934	2.552
1935	2.551
1936	2.551
1937	2.552
1938	2.55
1939	2.551
1940	2.551
1941	2.552
1942	2.552
1943	2.552
1944	2.552
1945	2.551
1946	2.551
1947	3.09
1948	3.09
1949	3.09
1950	3.091
1951	2.329
1952	2.289
1953	2.383
1954	2.555
1955	2.765
1956	2.963
1957	3.109
1958	3.173
1959	3.138
1960	3.011
1961	2.849
1962	2.704
1963	2.657
1964	2.742
1965	2.899
1966	3.102
1967	3.232
1968	3.164
1969	2.847
1970	2.376
1971	7.105
1972	6.959
1973	7.623
1974	5.567
1975	2.195
1976	6.104
1977	1.931
1978	11.15
1979	-18.89
1980	13.93
1981	11.82
1982	3.999
1983	2.705
1984	5.522
1985	1.323
1986	7.094
1987	7.658
1988	8.713
1989	-0.3592
1990	5.44
1991	0.2666
1992	4.305
1993	-0.02583
1994	1.562
1995	1.925
1996	3.256
1997	2.064
1998	2.639
1999	0.1533
2000	0.2849
2001	-3.942
2002	-4.074
2003	2.137
2004	6.396
2005	3.463
2006	3.405
2007	3.609
2008	7.436
2009	-1.068
2010	0.5462
2011	1.867
2012	-1.157
2013	0.8162