Year	Number
1993	532473
1994	526268
1995	541389
1996	540270
1997	542383
1998	530118
1999	532565
2000	578376
2001	588329
2002	589965
2003	595388
2004	597681
2005	595635
2006	593896
2007	593011
2008	597269
2009	584737
2010	593815
2011	584535
2012	580082
2013	580537.1875
2014	590030
2015	586213.9375
2016	588926.5
2017	586985.9375
2018	586911.8125
2019	587355.875
2020	596079.3125
2021	599680.9375