Year	Number
1990	403259
1991	402969
1992	407835
1993	412311
1994	444851
1995	403975
1996	401926
1997	400066
1998	395283
1999	389532
2000	384125
2001	379331
2002	374329
2003	369000
2004	363249
2005	357493
2006	351725
2007	346183
2008	342280
2009	336375
2010	332962
2011	329138
2012	324868
2013	322363
2014	320624
2015	318943
2016	317146
2017	315473
2018	313657
2019	311902
2020	309030
2021	306036
2022	303106