Year	Number
1972	222867
1973	250868
1974	258365
1975	281816
1976	262748
1977	308797
1978	370231
1979	449038
1980	512434
1981	313895
1982	370082
1983	418085
1984	455401
1985	496921
1986	540049
1987	579517
1988	612943
1989	664016
1990	708663
1991	773808
1992	855137
1993	910114
1994	944509
1995	1016443
1996	1121335
1999	1265458
2000	1348212
2001	1501503
2002	1690198
2003	1822063
2005	2054165
2006	1983561
2007	1998990
2008	2305166
2009	2381225
2010	2694256
2011	2850361
2012	3035958
2013	3111257
2014	3163946
2015	3176320
2016	3277231
2017	3433843
2019	3463763
2020	3631853
2021	3541369.25
2022	3512976
2023	3695560