Year	Number
1960	461443
1961	469384
1962	477349
1963	485911
1964	494931
1965	504698
1966	516166
1967	529063
1968	542799
1969	557138
1970	571896
1971	587177
1972	603030
1973	619429
1974	636662
1975	654623
1976	673122
1977	691491
1978	712976
1979	737423
1980	759411
1981	780116
1982	801543
1983	823248
1984	847084
1985	872144
1986	897767
1987	925688
1988	955433
1989	986971
1990	1021455
1991	1058561
1992	1095033
1993	1134780
1994	1191273
1995	1242781
1996	1270929
1997	1298631
1998	1338571
1999	1385573
2000	1434610
2001	1486892
2002	1541266
2003	1596181
2004	1653176
2005	1713764
2006	1777538
2007	1843423
2008	1910974
2009	1980847
2010	2053296
2011	2128643
2012	2204082
2013	2277683
2014	2348616
2015	2417069
2016	2487542
2017	2560442
2018	2635796
2019	2715028
2020	2786255
2021	2840764
2022	2891552
2023	2955526