Year	Number
1971	88594
1972	94509
1973	100892
1974	110437
1975	120984
1976	142182
1977	159515
1978	176397
1979	187251
1980	209865
1981	228855
1982	236183
1983	241929
1984	249926
1985	251420
1986	275902
1987	293512
1988	300964
1989	324760
1990	344623
1991	368732
1992	370117
1993	386056
1994	410929
1995	426929
1996	440622
1997	464267
1998	482065
1999	529806
2000	579486
2001	656589
2002	760987
2003	857592
2004	980033
2005	1064056
2006	1126073
2007	1235065
2008	1389194
2009	1554102
2010	1726452
2011	1910166
2012	2050656
2013	2166268
2014	2277021
2015	2444979
2016	2611352
2017	2768305
2018	2599390
2019	2666748
2020	2895653
2021	2806023
2022	2909518
2023	3022704