Year	Number
1990	394192
1991	377529
1992	363571
1993	345844
1994	326336
1995	309513
1996	291086
1997	272297
1998	253589
1999	235021
2000	217997
2001	204046
2002	190733
2003	178287
2004	168687
2005	160321
2006	152946
2007	147394
2008	143068
2009	138594
2010	133033
2011	127289
2012	122482
2013	118076
2014	113844
2015	109460
2016	104343
2017	98285
2018	92629
2019	87810
2020	83254
2021	79124
2022	75426