Year	Number
1990	2379585
1991	2241070
1992	2031849
1993	1899737
1994	1783337
1995	1702122
1996	1593612
1997	1494336
1998	1399911
1999	1310995
2000	1243366
2001	1167857
2002	1084378
2003	988676
2004	955976
2005	875399
2006	828924
2007	790686
2008	790014
2009	723468
2010	687614
2011	652501
2012	629002
2013	600493
2014	568731
2015	537805
2016	511347
2017	490952
2018	459958
2019	429257
2020	402165
2021	375193
2022	355050