Year	Number
1992	168570
1993	151689
1994	76256
1995	245572
1996	310090
1997	349307
1998	338085
1999	353721
2000	335200
2001	290283
2002	274822
2003	230193
2004	215480
2005	119154
2006	93768
2007	100429
2008	97016
2009	76479
2010	65863
2011	62653
2012	62606
2013	49755
2014	40121
2015	33452
2016	26231
2017	24869
2018	24105
2019	23793
2020	23451
2021	18083
2022	17698
2023	17579