Year Measure
1764 1532
1765 1533
1766 1533
1767 1534
1768 1535
1769 1535
1770 1536
1771 1536
1772 1537
1773 1538
1774 1538
1775 1539
1776 1539
1777 1540
1778 1541
1779 1541
1780 1542
1781 1542
1782 1543
1783 1544
1784 1544
1785 1545
1786 1546
1787 1546
1788 1547
1789 1547
1790 1548
1791 1549
1792 1549
1793 1550
1794 1550
1795 1551
1796 1552
1797 1552
1798 1553
1799 1553
1800 1554
1801 1555
1802 1555
1803 1556
1804 1556
1805 1557
1806 1558
1807 1558
1808 1559
1809 1559
1810 1560
1811 1561
1812 1561
1813 1562
1814 1563
1815 1563
1816 1564
1817 1564
1818 1565
1819 1566
1820 1566
1821 1570
1822 1575
1823 1579
1824 1583
1825 1587
1826 1591
1827 1595
1828 1600
1829 1604
1830 1608
1831 1631
1832 1654
1833 1677
1834 1701
1835 1725
1836 1749
1837 1774
1838 1799
1839 1824
1840 1850
1841 1876
1842 1902
1843 1929
1844 1956
1845 1984
1846 2012
1847 2093
1848 2083
1849 2127
1850 2195
1851 2241
1852 2287
1853 2332
1854 2461
1855 2463
1856 2581
1857 2631
1858 2631
1859 2614
1860 2728
1861 2749
1862 2802
1863 2862
1864 2936
1865 2915
1866 2980
1867 2974
1868 3060
1869 3171
1870 3206
1871 3195
1872 3365
1873 3361
1874 3444
1875 3409
1876 3426
1877 3438
1878 3507
1879 3511
1880 3655
1881 3661
1882 3741
1883 3751
1884 3741
1885 3743
1886 3762
1887 3878
1888 3874
1889 4032
1890 4092
1891 4052
1892 4108
1893 4125
1894 4140
1895 4192
1896 4241
1897 4283
1898 4317
1899 4367
1900 4457
1901 4443
1902 4467
1903 4507
1904 4566
1905 4639
1906 4682
1907 4700
1908 4701
1909 4747
1910 4858
1911 4960
1912 5030
1913 5046
1914 3696
1915 3028
1916 3389
1917 2822
1918 2636
1919 3249
1920 4907
1921 5167
1922 5514
1923 5865
1924 6124
1925 6131
1926 6209
1927 6183
1928 6599
1929 6763
1930 6865
1931 6615
1932 6292
1933 6216
1934 6064
1935 6335
1936 6530
1937 6834
1938 6698
1939 6424
1940 5273
1941 4502
1942 4618
1943 3741
1944 3794
1945 4049
1946 6372
1947 7176
1948 7533
1949 7749
1950 7990
1951 8393
1952 8343
1953 8645
1954 8950
1955 9245
1956 9529
1957 9715
1958 9477
1959 9675
1960 10080
1961 10510
1962 10990
1963 11400
1964 12090
1965 12410
1966 12720
1967 13150
1968 13650
1969 14520
1970 15380
1971 15900
1972 16670
1973 17640
1974 18330
1975 18030
1976 19020
1977 19120
1978 19650
1979 20090
1980 20970
1981 20700
1982 20980
1983 20980
1984 21500
1985 21710
1986 22020
1987 22530
1988 23560
1989 24270
1990 24930
1991 25290
1992 25580
1993 25230
1994 25950
1995 26480
1996 26730
1997 27560
1998 28030
1999 28940
2000 29940
2001 30090
2002 30490
2003 30740
2004 31600
2005 32080
2006 32730
2007 33440
2008 33510
2009 32320
2010 32830
2011 32930
2012 32590
2013 32400
2014 32550
2015 32720
2016 32910
2017 33130
2018 33370