Year Measure
1800 1295
1801 1295
1802 1295
1803 1295
1804 1295
1805 1295
1806 1295
1807 1295
1808 1295
1809 1295
1810 1295
1811 1295
1812 1295
1813 1295
1814 1295
1815 1295
1816 1295
1817 1295
1818 1295
1819 1295
1820 1295
1821 1302
1822 1309
1823 1316
1824 1322
1825 1329
1826 1336
1827 1344
1828 1351
1829 1358
1830 1365
1831 1372
1832 1379
1833 1387
1834 1394
1835 1401
1836 1409
1837 1416
1838 1424
1839 1431
1840 1439
1841 1446
1842 1454
1843 1462
1844 1470
1845 1477
1846 1485
1847 1493
1848 1501
1849 1509
1850 1517
1851 1525
1852 1533
1853 1541
1854 1549
1855 1557
1856 1565
1857 1574
1858 1582
1859 1590
1860 1599
1861 1607
1862 1616
1863 1624
1864 1633
1865 1642
1866 1650
1867 1659
1868 1668
1869 1677
1870 1685
1871 1694
1872 1703
1873 1712
1874 1721
1875 1730
1876 1740
1877 1749
1878 1758
1879 1767
1880 1777
1881 1786
1882 1795
1883 1805
1884 1815
1885 1824
1886 1834
1887 1843
1888 1853
1889 1863
1890 1873
1891 1883
1892 1893
1893 1903
1894 1913
1895 1923
1896 1933
1897 1943
1898 1954
1899 1964
1900 1974
1901 1985
1902 1995
1903 2006
1904 2016
1905 2027
1906 2038
1907 2048
1908 2059
1909 2070
1910 2081
1911 2092
1912 2103
1913 2114
1914 2161
1915 2208
1916 2256
1917 2306
1918 2356
1919 2408
1920 2461
1921 2515
1922 2570
1923 2626
1924 2683
1925 2742
1926 2802
1927 2864
1928 2927
1929 2991
1930 3056
1931 3123
1932 3192
1933 3261
1934 3333
1935 3406
1936 3481
1937 3557
1938 3635
1939 3714
1940 3796
1941 3879
1942 3964
1943 4051
1944 4140
1945 4230
1946 4323
1947 4418
1948 4514
1949 4613
1950 4714
1951 4997
1952 5056
1953 5074
1954 5022
1955 5538
1956 6491
1957 6858
1958 7197
1959 7369
1960 8021
1961 8175
1962 8358
1963 8621
1964 8726
1965 9021
1966 9283
1967 9402
1968 9860
1969 10130
1970 10580
1971 10610
1972 11070
1973 11140
1974 11620
1975 11700
1976 12640
1977 13210
1978 14520
1979 14950
1980 15890
1981 16420
1982 15250
1983 13850
1984 14460
1985 13680
1986 13080
1987 12360
1988 11810
1989 11690
1990 11900
1991 12370
1992 12330
1993 12280
1994 12890
1995 13500
1996 14130
1997 14710
1998 15500
1999 16650
2000 17560
2001 18430
2002 19170
2003 21790
2004 23380
2005 25680
2006 28990
2007 30250
2008 31140
2009 29740
2010 29630
2011 28740
2012 29010
2013 29330
2014 29820
2015 30320
2016 30690
2017 31010
2018 31340
2019 31680