Year	Number
1960	5073342
1961	5206239
1962	5343117
1963	5484252
1964	5630024
1965	5780453
1966	5936461
1967	6099529
1968	6270528
1969	6450324
1970	6639751
1971	6840457
1972	7051090
1973	7268560
1974	7491935
1975	7720859
1976	7955197
1977	8195142
1978	8440919
1979	8692289
1980	8948162
1981	9207310
1982	9470990
1983	9740088
1984	10015017
1985	10297746
1986	10588428
1987	10890514
1988	11206789
1989	11536734
1990	11882762
1991	12245260
1992	12623342
1993	13020100
1994	13436121
1995	13869138
1996	14317454
1997	14778903
1998	15250934
1999	15730885
2000	16216431
2001	16709665
2002	17211934
2003	17724310
2004	18250774
2005	18792171
2006	19350299
2007	19924958
2008	20513599
2009	21117092
2010	21731053
2011	22348158
2012	22966240
2013	23588073
2014	24215976
2015	24850912
2016	25501941
2017	26169542
2018	26846541
2019	27533134
2020	28225177
2021	28915653
2022	29611714
2023	30325732