Year	Number
1960	871636
1961	913806
1962	953095
1963	994074
1964	1036876
1965	1081394
1966	1125264
1967	1162355
1968	1200723
1969	1240246
1970	1281127
1971	1323356
1972	1367038
1973	1412036
1974	1458580
1975	1506658
1976	1556390
1977	1591631
1978	1601502
1979	1611434
1980	1621442
1981	1631484
1982	1641602
1983	1651783
1984	1662042
1985	1672335
1986	1682707
1987	1699125
1988	1731209
1989	1763809
1990	1797068
1991	1830955
1992	1865529
1993	1900658
1994	1936498
1995	1973014
1996	2010271
1997	2048125
1998	2086577.0000000002
1999	2113386
2000	2140577
2001	2168042
2002	2195898
2003	2224112
2004	2252728
2005	2281632
2006	2310947
2007	2340639
2008	2370754
2009	2401172
2010	2432023
2011	2463271
2012	2494920
2013	2526977
2014	2559445
2015	2592330
2016	2625638
2017	2659373
2018	2693542
2019	2729325
2020	2767661
2021	2809158
2022	2853959
2023	2901810