Year	Number
1993	8659
1994	10268
1995	12300
1996	13455
1997	14358
1998	14764
1999	14880
2000	14769
2001	14781
2002	13750
2003	13818
2004	14172
2005	14288
2006	14369
2007	15203
2008	15799
2009	15458
2010	16527
2011	17099
2012	17007
2013	16993
2014	17678
2015	17788
2016	17940
2017	17830
2018	19683
2019	25020
2020	24296
2021	23753
2022	23147