Year	Total
1900	21250
1901	20220
1902	18900
1903	18070
1904	20620
1905	21120
1906	18950
1907	19410
1908	18270
1909	19290
1910	19430
1911	19950
1912	18780
1913	19810
1914	21340
1915	18320
1916	18760
1917	19810
1918	27400
1919	20600
1920	24000
1921	21110
1922	19480
1923	19690
1924	19830
1925	19110
1926	18950
1927	18390
1928	18810
1929	18240
1930	18020
1931	18060
1932	17630
1933	17570
1934	17150
1935	17140
1936	17030
1937	14920
1938	13510
1939	12760
1940	12080
1941	10350
1942	8596
1943	8262
1944	7810
1945	7201
1946	5546
1947	4841
1948	4258
1949	3323
1950	3109
1951	2865
1952	2692
1953	2489
1954	2192
1955	2007
1956	1774
1957	1798
1958	1660
1959	1654
1960	1635
1961	1612
1962	1514
1963	1509
1964	1368
1965	1262
1966	1126
1967	1050
1968	892
1969	787
1970	720
1971	670
1972	590
1973	537
1974	468
1975	433
1976	408
1977	377
1978	351
1979	356
1980	421
1990	478
1995	439
2000	521
2005	710
2010	1105
2013	1200