Year	Total
1776	5.42
1785	5.39
1797	5.2
1798	5.08
1799	5.09
1800	4.92
1801	5.07
1802	5.23
1803	4.78
1804	5.24
1805	5.21
1806	4.84
1807	4.97
1808	4.16
1809	3.69
1810	5.1
1811	4.66
1812	4.95
1813	4.6
1814	4.72
1815	4.84
1816	4.82
1817	4.84
1818	4.78
1819	4.51
1820	4.55
1821	5.34
1822	4.59
1823	5.21
1824	4.84
1825	4.83
1826	4.89
1827	4.77
1828	5.12
1829	4.98
1830	4.85
1831	4.58
1832	4.47
1833	3.96
1834	4.75
1835	4.57
1836	4.17
1837	4.17
1838	4.32
1839	4.47
1840	4.59
1841	4.56
1842	4.96
1843	4.77
1844	4.64
1845	4.76
1846	4.39
1847	4.46
1848	4.84
1849	4.92
1850	4.78
1851	5.17
1852	4.79
1853	4.8
1854	5.02
1855	4.82
1856	4.86
1857	4.48
1858	4.87
1859	4.74
1860	4.84
1861	5.2
1862	5.03
1863	4.85
1864	5.28
1865	4.79
1866	4.46
1867	4.47
1868	3.4
1869	4.52
1870	4.86
1871	4.95
1872	4.87
1873	4.97
1874	5.12
1875	4.95
1876	4.97
1877	5.19
1878	4.81
1879	5.14
1880	5.01
1881	4.79
1882	4.99
1883	4.96
1884	5.04
1885	4.79
1886	4.98
1887	5.17
1888	5.07
1889	4.89
1890	4.83
1891	5.04
1892	4.65
1893	4.43
1894	4.59
1895	4.87
1896	4.8
1897	4.77
1898	5.07
1899	4.96
1900	4.83
1901	4.92
1902	4.79
1903	4.62
1904	4.85
1905	4.67
1906	4.81
1907	4.76
1908	4.65
1909	4.72
1910	4.6
1911	4.46
1912	4.45
1913	4.15
1914	4.13
1915	3.89
1916	3.69
1917	3.71
1918	3.6
1919	2.87
1920	3.76
1921	3.58
1922	3.43
1923	3.44
1924	3.22
1925	3.17
1926	3.02
1927	2.92
1928	2.92
1929	2.83
1930	2.75
1931	2.59
1932	2.46
1933	2.27
1934	2.33
1935	2.37
1936	2.31
1937	2.52
1938	2.52
1939	2.56
1940	2.15
1941	2.9
1942	2
1943	2.46
1944	2.56
1945	3.07
1946	3.41
1947	3.47
1948	3.47
1949	3.33
1950	3.16
1951	3.01
1952	3.06
1953	2.96
1954	2.93
1955	2.93
1956	2.91
1957	2.86
1958	2.68
1959	2.75
1960	2.71
1961	2.65
1962	2.66
1963	2.66
1964	2.58
1965	2.46
1966	2.41
1967	2.32
1968	2.15
1969	1.94
1970	1.83
1971	1.7
1972	1.59
1973	1.5
1974	1.62
1975	1.69
1976	1.72
1977	1.69
1978	1.65
1979	1.64
1980	1.63
1981	1.65
1982	1.72
1983	1.74
1984	1.7
1985	1.64
1986	1.6
1987	1.59
1988	1.7
1989	1.71
1990	1.79
1991	1.8
1992	1.85
1993	1.81
1994	1.85
1995	1.81
1996	1.76
1997	1.75
1998	1.71
1999	1.73
2000	1.73
2001	1.73
2002	1.72
2003	1.76
2004	1.8
2005	1.8
2006	1.84
2007	1.83
2008	1.85
2009	1.86
2010	1.87
2011	1.83
2012	1.8
2013	1.853
2014	1.854
2015	1.855
2016	1.856
2017	1.858
2018	1.859
2019	1.861
2020	1.862
2021	1.864
2022	1.865
2023	1.866
2024	1.868
2030	1.874
2040	1.884
2050	1.892
2070	1.902
2080	1.902
2099	1.906