Year	Number of
1800	1490
1801	1490
1802	1490
1803	1490
1804	1490
1805	1490
1806	1490
1807	1490
1808	1490
1809	1490
1810	1490
1811	1491
1812	1491
1813	1493
1814	1496
1815	1498
1816	1502
1817	1505
1818	1510
1819	1515
1820	1520
1821	1526
1822	1533
1823	1541
1824	1548
1825	1557
1826	1566
1827	1576
1828	1586
1829	1597
1830	1608
1831	1621
1832	1633
1833	1645
1834	1658
1835	1670
1836	1683
1837	1695
1838	1708
1839	1721
1840	1734
1841	1747
1842	1761
1843	1774
1844	1787
1845	1801
1846	1815
1847	1828
1848	1842
1849	1856
1850	1870
1851	1884
1852	1898
1853	1912
1854	1926
1855	1940
1856	1955
1857	1969
1858	1984
1859	1999
1860	2014
1861	2029
1862	2044
1863	2059
1864	2074
1865	2089
1866	2105
1867	2120
1868	2136
1869	2152
1870	2168
1871	2184
1872	2200
1873	2216
1874	2233
1875	2249
1876	2266
1877	2282
1878	2299
1879	2316
1880	2334
1881	2351
1882	2368
1883	2386
1884	2403
1885	2421
1886	2439
1887	2457
1888	2475
1889	2493
1890	2512
1891	2530
1892	2549
1893	2568
1894	2587
1895	2606
1896	2625
1897	2644
1898	2663
1899	2681
1900	2699
1901	2717
1902	2734
1903	2751
1904	2768
1905	2784
1906	2800
1907	2815
1908	2830
1909	2845
1910	2860
1911	2875
1912	2889
1913	2904
1914	2918
1915	2933
1916	2947
1917	2962
1918	2977
1919	2992
1920	3008
1921	3023
1922	3038
1923	3054
1924	3069
1925	3085
1926	3014
1927	2954
1928	2885
1929	2817
1930	2768
1931	2728
1932	2677
1933	2627
1934	2584
1935	2532
1936	2479
1937	2435
1938	2381
1939	2327
1940	2272
1941	2225
1942	2170
1943	2101
1944	2042
1945	1974
1946	1906
1947	1839
1948	1780
1949	1714
1950	1648
1951	1623
1952	1582
1953	1549
1954	1517
1955	1486
1956	1461
1957	1444
1958	1417
1959	1397
1960	1374
1961	1355
1962	1323
1963	1293
1964	1250
1965	1202
1966	1148
1967	1098
1968	1041
1969	990
1970	934
1971	882
1972	836
1973	798
1974	760
1975	723
1976	689
1977	660
1978	636
1979	617
1980	602
1981	593
1982	587
1983	598
1984	616
1985	626
1986	615
1987	596
1988	571
1989	545
1990	523
1991	507
1992	492
1993	480
1994	468
1995	455
1996	441
1997	427
1998	411
1999	393
2000	373
2001	355
2002	335
2003	317
2004	301
2005	289
2006	278
2007	270
2008	262
2009	256
2010	251
2011	243
2012	235
2013	225
2014	216
2015	209