Year	Number
1990	55896
1991	55505
1992	55552
1993	55857
1994	56322
1995	56845
1996	57134
1997	57220
1998	58301
1999	57575
2000	57899
2001	58029
2002	57832
2003	57212
2004	56337
2005	55681
2006	55603
2007	56121
2008	56866
2009	57491
2010	64930
2011	57781
2012	57395
2013	57048
2014	56936
2015	56779
2016	56171
2017	55130
2018	53450
2019	51462
2020	49801
2021	48418
2022	47179