Year Measure
1790 1763
1791 1772
1792 1808
1793 1864
1794 1917
1795 1964
1796 1951
1797 1885
1798 1844
1799 1867
1800 1913
1801 1949
1802 1982
1803 1947
1804 1944
1805 1988
1806 2024
1807 2045
1808 1897
1809 1993
1810 2051
1811 2094
1812 2056
1813 2079
1814 2119
1815 2111
1816 2023
1817 2022
1818 2027
1819 2023
1820 2011
1821 2043
1822 2102
1823 2078
1824 2135
1825 2184
1826 2200
1827 2210
1828 2209
1829 2134
1830 2294
1831 2438
1832 2531
1833 2621
1834 2492
1835 2590
1836 2629
1837 2543
1838 2521
1839 2646
1840 2512
1841 2458
1842 2437
1843 2477
1844 2614
1845 2656
1846 2673
1847 2745
1848 2818
1849 2744
1850 2755
1851 2871
1852 3022
1853 3236
1854 3245
1855 3172
1856 3239
1857 3167
1858 3183
1859 3271
1860 3359
1861 3288
1862 3394
1863 3618
1864 3739
1865 3542
1866 3514
1867 3632
1868 3682
1869 3781
1870 3971
1871 4045
1872 4106
1873 4199
1874 4056
1875 4171
1876 4132
1877 4182
1878 4276
1879 4719
1880 5179
1881 5239
1882 5429
1883 5403
1884 5362
1885 5278
1886 5332
1887 5472
1888 5331
1889 5549
1890 5525
1891 5584
1892 5717
1893 5580
1894 5298
1895 5829
1896 5604
1897 5963
1898 6009
1899 6610
1900 6624
1901 7306
1902 7282
1903 7356
1904 7495
1905 8032
1906 8205
1907 7929
1908 7340
1909 8048
1910 7914
1911 8011
1912 8317
1913 8449
1914 7616
1915 7759
1916 8875
1917 8714
1918 9255
1919 8908
1920 8568
1921 8069
1922 8505
1923 9512
1924 9545
1925 9582
1926 9990
1927 9869
1928 9893
1929 10390
1930 9346
1931 8641
1932 7434
1933 7268
1934 7978
1935 8601
1936 9630
1937 10030
1938 9569
1939 10230
1940 10950
1941 12670
1942 14820
1943 16980
1944 18090
1945 17610
1946 15430
1947 14930
1948 15270
1949 14870
1950 15860
1951 16750
1952 17040
1953 17470
1954 16980
1955 17820
1956 17780
1957 17750
1958 17220
1959 18080
1960 18180
1961 18230
1962 18980
1963 19460
1964 20240
1965 21210
1966 22260
1967 22500
1968 23270
1969 23670
1970 23350
1971 23740
1972 24650
1973 25740
1974 25280
1975 24890
1976 25880
1977 26720
1978 27810
1979 28280
1980 27840
1981 28160
1982 27240
1983 28120
1984 29790
1985 30640
1986 31300
1987 31950
1988 32860
1989 33590
1990 33710
1991 33080
1992 33590
1993 33910
1994 34730
1995 35050
1996 35810
1997 36850
1998 37810
1999 38910
2000 39760
2001 39470
2002 39540
2003 40040
2004 40960
2005 41670
2006 42380
2007 42760
2008 42230
2009 40580
2010 41230
2011 41680
2012 42300
2013 42720
2014 43580
2015 44730
2016 45860
2017 46970
2018 47910