Year	Number
1991	161843
1992	167151
1993	172717
1994	178543
1995	184705
1996	191225
1997	198125
1998	205498
1999	213605
2000	223290
2001	234736
2002	247359
2003	261171
2004	276049
2005	291795
2006	307875
2007	324337
2008	341184
2009	358332
2010	375633
2011	392909
2012	409858
2013	426879
2014	443914
2015	460736
2016	477565
2017	493923
2018	510441
2019	527542
2020	516539
2021	535701
2022	571718
2023	592618