Year	Number of
1800	36520
1801	36310
1802	36160
1803	35950
1804	35740
1805	35530
1806	35380
1807	37790
1808	37330
1809	36870
1810	36420
1811	35990
1812	35590
1813	36840
1814	38140
1815	39470
1816	40850
1817	42280
1818	42730
1819	43230
1820	43760
1821	44340
1822	44960
1823	45850
1824	46780
1825	47760
1826	48810
1827	49910
1828	49990
1829	50100
1830	50240
1831	50400
1832	50550
1833	50410
1834	50250
1835	50070
1836	49860
1837	49640
1838	50020
1839	50390
1840	50770
1841	51140
1842	51510
1843	53090
1844	54710
1845	56370
1846	58070
1847	59810
1848	61360
1849	62940
1850	64560
1851	66220
1852	67920
1853	69000
1854	70100
1855	71210
1856	72340
1857	73490
1858	74970
1859	76470
1860	78010
1861	79560
1862	81120
1863	82100
1864	83080
1865	84050
1866	85010
1867	85960
1868	87670
1869	89400
1870	91130
1871	92880
1872	94640
1873	94820
1874	94940
1875	95010
1876	95050
1877	94350
1878	93580
1879	92750
1880	96470
1881	100200
1882	104100
1883	108100
1884	112100
1885	116200
1886	120000
1887	126600
1888	119900
1889	109500
1890	105700
1891	114200
1892	120700
1893	121400
1894	124700
1895	123700
1896	128200
1897	131000
1898	129100
1899	130800
1900	132600
1901	134500
1902	239500
1903	138300
1904	112400
1905	123800
1906	111800
1907	129600
1908	138000
1909	125100
1910	143400
1911	148500
1912	150600
1913	154200
1914	166300
1915	158900
1916	162900
1917	166700
1918	191100
1919	151800
1920	169000
1921	174900
1922	178900
1923	183800
1924	184500
1925	185200
1926	186100
1927	196700
1928	201600
1929	205700
1930	213200
1931	213400
1932	212600
1933	212000
1934	210400
1935	209200
1936	207700
1937	205100
1938	203000
1939	199800
1940	195800
1941	192500
1942	189200
1943	185800
1944	182300
1945	178800
1946	175200
1947	171600
1948	168000
1949	164400
1950	160800
1951	152900
1952	147100
1953	139200
1954	139100
1955	136600
1956	133300
1957	128000
1958	122200
1959	117000
1960	113600
1961	111500
1962	111700
1963	113000
1964	114600
1965	115300
1966	115600
1967	115000
1968	114100
1969	113500
1970	113600
1971	114400
1972	115900
1973	118000
1974	120300
1975	123100
1976	125900
1977	128600
1978	131300
1979	133300
1980	134800
1981	136200
1982	137000
1983	137300
1984	137100
1985	136100
1986	134500
1987	131800
1988	128100
1989	123600
1990	118400
1991	113000
1992	107900
1993	102900
1994	98990
1995	95970
1996	93700
1997	92290
1998	91420
1999	90750
2000	90150
2001	89780
2002	89280
2003	88500
2004	87250
2005	85390
2006	82800
2007	80030
2008	76880
2009	73990
2010	71910
2011	70520
2012	69220
2013	68100
2014	66960
2015	65610
