Year	Number
1991	452284
1992	466715
1993	481536
1994	496324
1995	506738
1996	516621
1997	525672
1998	541608
1999	557724
2000	573965
2001	590864
2002	607423
2003	623518
2004	639729
2005	657389
2006	676327
2007	695564
2008	714935
2009	734219
2010	753051
2011	771227
2012	789420
2013	862767
2014	867194
2015	881284
2016	895063
2017	899482
2018	903161
2019	918680
2020	915520
2021	938865
2022	968424
2023	988727