Year	Number
1960	1005860
1961	1031349
1962	1059162
1963	1090284
1964	1125557
1965	1162700
1966	1200399
1967	1239855
1968	1281059
1969	1323872
1970	1368463
1971	1415039
1972	1463220
1973	1512745
1974	1563474
1975	1615278
1976	1668062
1977	1722103
1978	1778289
1979	1836800
1980	1899894
1981	1967595
1982	2033625
1983	2099139
1984	2168627
1985	2241289
1986	2317071
1987	2396170
1988	2477131
1989	2558983
1990	2642077
1991	2725456
1992	2807991
1993	2889263
1994	2968552
1995	3044954
1996	3117238
1997	3185545
1998	3254472
1999	3327452
2000	3402108
2001	3476227
2002	3552412
2003	3633902
2004	3721095
2005	3812397
2006	3907165
2007	4006758
2008	4111484
2009	4221110
2010	4335657
2011	4454071
2012	4575016
2013	4697114
2014	4821805
2015	4951507
2016	5086213
2017	5222054
2018	5354470
2019	5482942
2020	5607908
2021	5729549
2022	5847864
2023	5962631