Year	Number
1976	55218
1999	227389
2000	236236
2001	204944
2002	256087
2003	268374
2004	266920
2005	276291
2006	286387
2007	293712
2008	304132
2009	313995
2010	318474
2011	329817
2012	339533
2013	337158
2014	386864
2015	402330
2016	415263
2017	416728
2018	422867
2020	442862
2021	440741
2022	451976