Year	Number
1960	374742
1961	387672
1962	405369
1963	427225
1964	447704
1965	466255
1966	483350
1967	499588
1968	515300
1969	528907
1970	536425
1971	547963
1972	571802
1973	595645
1974	615529
1975	634906
1976	653281
1977	670929
1978	687723
1979	703140
1980	709550
1981	708337
1982	708005
1983	708743
1984	711535
1985	717210
1986	726329
1987	739401
1988	756442
1989	777006
1990	800778
1991	827361
1992	856437
1993	888081
1994	931755
1995	985153
1996	1036908
1997	1087748
1998	1138805
1999	1193234
2000	1254959
2001	1326184
2002	1406277
2003	1491532
2004	1578592
2005	1666299
2006	1753768
2007	1839510
2008	1925498
2009	2010027
2010	2089094
2011	2163806
2012	2236091
2013	2307171
2014	2373080
2015	2429323
2016	2475395
2017	2529668
2018	2601178
2019	2679055
2020	2748486
2021	2805344
2022	2864148
2023	2944878