Year	Number
1990	197495
1991	187315
1992	179002
1993	171730
1994	164994
1995	162415
1996	156704
1997	154708
1998	153335
1999	151315
2000	149361
2001	147369
2002	144770
2003	139724
2004	138028
2005	132443
2006	127392
2007	120206
2008	112943
2009	105763
2010	98465
2011	92362
2012	88075
2013	84654
2014	81877
2015	79350
2016	76698
2017	73751
2018	70640
2019	67875
2020	65859
2021	63739
2022	62945