Year	Number
1960	555216
1961	569876
1962	585105
1963	600641
1964	616449
1965	632797
1966	649643
1967	667000
1968	684949
1969	703573
1970	722802
1971	742304
1972	762447
1973	783663
1974	805798
1975	829260
1976	853862
1977	879894
1978	907585
1979	936178
1980	965697
1981	995548
1982	1025372
1983	1057490
1984	1091170
1985	1124440
1986	1158015
1987	1191755
1988	1225868
1989	1260478
1990	1114203
1991	981835
1992	1039802
1993	1081167
1994	1078253
1995	1087803
1996	1119580
1997	1210882
1998	1340697
1999	1416994
2000	1470314
2001	1513734
2002	1553226
2003	1565364
2004	1583860
2005	1655945
2006	1750726
2007	1839348
2008	1914531
2009	1974485
2010	2031229
2011	2111010
2012	2185460
2013	2232393
2014	2277509
2015	2323065
2016	2369046
2017	2413339
2018	2458807
2019	2505847
2020	2556131
2021	2608243
2022	2661979
2023	2718890