Year	Number
1990	178048
1991	179649
1992	180849
1993	180492
1994	177866
1995	175365
1996	168583
1997	161141
1998	153918
1999	148357
2000	145654
2001	145369
2002	146726
2003	146086
2004	155776
2005	144851
2006	144052
2007	143227
2008	147974
2009	142441
2010	142030
2011	140364
2012	135272
2013	130138
2014	125193
2015	119713
2016	115266
2017	112357
2018	109496
2019	106633
2020	104506
2021	103373
2022	102288
