Year	Number
1992	146477
1993	138065
1994	131059
1996	128332
1997	122091
1998	111675
1999	108521
2000	105179
2001	105414
2002	97385
2003	82985
2004	75930
2005	70744
2006	69210
2007	62917
2008	56665
2009	48543
2010	31477
2011	29235
2012	28914
2013	20620
2014	17684
2015	20938
2016	23621
2017	26352
2018	27890
2019	26241
2020	25232
2021	24271
2022	31254