Year	Number
1990	145844
1991	147595
1992	152480
1993	160862
1994	313800
1995	163962
1996	170582
1997	169242
1998	170822
1999	178653
2000	175039
2001	177137
2002	178932
2003	180086
2004	180396
2005	180022
2006	178960
2007	177561
2008	177911
2009	173505
2010	170902
2011	168095
2012	165445
2013	163484
2014	162159
2015	161587
2016	162154
2017	162059
2018	162747
2019	164119
2020	166028
2021	168228
2022	172218