Year	Number
1991	492113
1992	502930
1993	510612
1994	528137
1995	545135
1996	557669
1997	570876
1998	584169
1999	591320
2000	604964
2001	610493
2002	623433
2003	639823
2004	663384
2005	679217
2006	688837
2007	690781
2008	697130
2009	694170
2010	679616
2011	674603
2012	693119
2013	694768
2014	707968
2015	696897
2016	693991
2017	690375
2018	695724
2019	695102
2020	672932
2021	668306
2022	675249
2023	681265