Year	Total
1801	0.1239
1802	0.1176
1803	0.1236
1804	0.1173
1805	0.1234
1806	0.1232
1807	0.123
1808	0.1168
1809	0.1228
1810	0.1226
1811	0.1225
1812	0.1223
1813	0.116
1814	0.122
1815	0.1219
1816	0.1217
1817	0.1216
1818	0.1214
1819	0.1213
1820	0.1211
1821	0.4461
1822	0.446
1823	0.4519
1824	0.4457
1825	0.4455
1826	0.4454
1827	0.4452
1828	0.4451
1829	0.451
1830	0.4448
1831	0.4446
1832	0.4505
1833	0.4444
1834	0.4442
1835	0.45
1836	0.4439
1837	0.4497
1838	0.4436
1839	0.4494
1840	0.4433
1841	0.4491
1842	0.4431
1843	0.4488
1844	-0.5428
1845	-0.5384
1846	-0.5399
1847	-0.5414
1848	-0.5367
1849	-0.5442
1850	-0.5393
1851	-0.8227
1852	-0.8233
1853	-0.8238
1854	-0.8241
1855	-0.8243
1856	-0.8176
1857	-0.8241
1858	-0.8238
1859	-0.8234
1860	-0.8227
1861	-0.8219
1862	-0.8281
1863	-0.8199
1864	-0.8258
1865	-0.8244
1866	-0.8228
1867	-0.821
1868	-0.819
1869	-0.8245
1870	-0.8222
1871	-0.8276
1872	-0.825
1873	-0.8222
1874	-0.8191
1875	-0.824
1876	-0.8206
1877	-0.8254
1878	-0.8216
1879	-0.8262
1880	-0.8221
1881	-0.8265
1882	-0.8219
1883	-0.8171
1884	-0.8302
1885	-0.8158
1886	-0.829
1887	-0.8234
1888	-0.8175
1889	-0.8306
1890	-0.8146
1891	-0.8277
1892	-0.821
1893	-0.8241
1894	-0.8271
1895	-0.8197
1896	-0.8224
1897	-0.825
1898	-0.8168
1899	-0.8299
1900	-0.8213
1901	-4.234
1902	-4.241
1903	1.23
1904	1.234
1905	1.226
1906	1.23
1907	0.7969
1908	0.7829
1909	0.7925
1910	0.802
1911	0.7881
1912	0.5554
1913	0.5548
1914	2.853
1915	2.852
1916	2.852
1917	4.204
1918	4.203
1919	4.201
1920	4.2
1921	4.197
1922	3.677
1923	3.677
1924	3.676
1925	3.676
1926	3.676
1927	4.506
1928	4.502
1929	4.508
1930	4.513
1931	4.497
1932	4.51
1933	4.504
1934	4.506
1935	4.507
1936	4.508
1937	4.388
1938	4.392
1939	4.395
1940	4.389
1941	4.391
1942	4.392
1943	4.393
1944	4.385
1945	4.393
1946	4.15
1947	4.156
1948	4.155
1949	4.153
1950	4.151
1951	4.871
1952	4.136
1953	3.95
1954	4.134
1955	4.52
1956	4.918
1957	5.174
1958	5.166
1959	4.859
1960	4.286
1961	3.613
1962	3.058
1963	2.928
1964	3.331
1965	4.1
1966	4.998
1967	5.626
1968	5.726
1969	5.146
1970	4.151
1971	-10.98
1972	-10.99
1973	-1.206
1974	-1.042
1975	-1.485
1976	-1.072
1977	-0.5249
1978	-2.806
1979	28.48
1980	30.12
1981	40.6
1982	30.5
1983	-0.3978
1984	12.19
1985	5.591
1986	4.036
1987	-1.542
1988	1.802
1989	4.525
1990	8.023
1991	7.294
1992	6.236
1993	4.303
1994	4.525
1995	-3.586
1996	0.7863
1997	-1.023
1998	1.014
1999	5.148
2000	17.44
2001	8.991
2002	7.2
2003	13.39
2004	9.232
2005	4.587
2006	5.004
2007	-0.2013
2008	-3.514
2009	-3.571
2010	0.2149
2011	3.4