Year	Number
1960	1646400
1961	1702400
1962	1750200
1963	1795000
1964	1841600
1965	1886900
1966	1934400
1967	1977600
1968	2012000
1969	2042500
1970	2074507
1971	2112900
1972	2152400
1973	2193000
1974	2229800
1975	2262600
1976	2293300
1977	2325300
1978	2353600
1979	2383500
1980	2413945
1981	2532835
1982	2646466
1983	2681061
1984	2732221
1985	2735957
1986	2733373
1987	2774789
1988	2846108
1989	2930901
1990	3047132
1991	3135083
1992	3230698
1993	3313471
1994	3419048
1995	3524506
1996	3670704
1997	3796038
1998	3927213
1999	3958723
2000	4027887
2001	4138012
2002	4175950
2003	4114826
2004	4166664
2005	4265762
2006	4401365
2007	4588599
2008	4839396
2009	4987573
2010	5076732
2011	5183688
2012	5312437
2013	5399162
2014	5469724
2015	5535002
2016	5607283
2017	5612253
2018	5638676
2019	5703569
2020	5685807
2021	5453566
2022	5637022
2023	5917648