Year	Number
1990	7597
1991	7753
1992	7897
1993	8060
1994	8239
1995	8473
1996	8728
1997	8996
1998	9252
1999	9486
2000	9705
2001	9909
2002	10083
2003	10245
2004	10375
2005	10482
2006	10539
2007	10570
2008	10567
2009	10525
2010	10472
2011	10387
2012	10302
2013	10232
2014	10183
2015	10156
2016	10160
2017	10191
2018	10239
2019	10297
2020	10390
2021	10488
2022	10644