1780 NA
1781 NA
1782 NA
1783 NA
1784 NA
1785 NA
1786 NA
1787 NA
1788 NA
1789 NA
1790 NA
1791 NA
1792 NA
1793 NA
1794 NA
1795 NA
1796 NA
1797 NA
1798 NA
1799 NA
1800 NA
1801 NA
1802 NA
1803 NA
1804 NA
1805 NA
1806 NA
1807 NA
1808 NA
1809 NA
1810 NA
1811 NA
1812 NA
1813 NA
1814 NA
1815 5690
1816 6640
1817 7540
1818 NA
1819 8670
1820 8510
1821 5970
1822 4360
1823 5140
1824 8640
1825 6690
1826 3760
1827 7610
1828 5770
1829 NA
1830 8540
1831 7980
1832 NA
1833 8390
1834 NA
1835 3750
1836 7350
1837 5670
1838 4900
1839 6210
1840 5800
1841 7780
1842 NA
1843 NA
1844 NA
1845 NA
1846 NA
1847 NA
1848 NA
1849 NA
1850 NA
1851 NA
1852 NA
1853 NA
1854 6670
1855 7440
1856 NA
1857 3370
1858 2680
1859 NA
1860 6510
1861 5890
1862 8890
1863 3740
1864 4180
1865 4680
1866 5750
1867 8500
1868 6510
1869 6730
1870 6380
1871 5440
1872 5370
1873 4790
1874 NA
1875 6410
1876 9930
1877 6620
1878 4770
1879 7260
1880 8970
1881 7510
1882 10200
1883 10690
1884 4320
1885 5330
1886 4560
1887 5630
1888 6750
1889 4040
1890 6650
1891 4320
1892 6160
1893 6350
1894 4470
1895 7590
1896 7240
1897 7340
1898 NA
1899 5970
1900 5990
1901 5410
1902 NA
1903 5410
1904 5770
1905 NA
1906 6250
1907 5790
1908 NA
1909 5770
1910 6530
1911 4750
1912 5310
1913 5000
1914 7230
1915 6570
1916 6770
1917 7430
1918 7530
1919 8920
1920 10400
1921 2790
1922 NA
1923 6130
1924 9140
1925 8680
1926 11700
1927 5140
1928 6490
1929 4360
1930 8710
1931 5910
1932 5720
1933 NA
1934 2880
1935 5470
1936 5580
1937 7290
1938 4610
1939 8150
1940 6310
1941 7970
1942 8790
1943 3260
1944 8450
1945 8510
1946 8910
1947 7160
1948 9320
1949 2830
1950 6420
1951 6830
1952 7970
1953 4800
1954 5890
1955 9500
1956 7540
1957 6950
1958 9080
1959 5420
1960 4940
1961 5840
1962 5880
1963 5510
1964 3130
1965 7540
1966 7720
1967 6780
1968 7520
1969 5340
1970 9900
1971 3810
1972 5290
1973 3660
1974 6190
1975 5490
1976 3560
1977 6560
1978 NA
1979 6900
1980 8760
1981 6706.25
1982 7787.71
1983 NA
1984 8502.91
1985 4480
1986 6210
1987 7590
1988 10200
1989 4790
1990 6970
1991 6590
1992 4970
1993 10600
1994 7900
1995 11300
1996 4340
1997 6970
1998 9240
1999 7740
2000 6010
2001 8410
2002 7940
2003 9470
2004 6680
2005 5440
2006 5740
2007 6170
2008 4562.79
2009 4516.1
2010 5910.26
2011 8386.26
2012 6881.12
2013 6341.53
2014 3463.84
2015 4728.15
2016 5354.02
2017 NA
2018 NA
2019 NA
2020 NA
2021 NA
