Year	Number
1990	137096
1991	137222
1992	137484
1993	137758
1994	138033
1995	137927
1996	137621
1997	137095
1998	136190
1999	134810
2000	132901
2001	130569
2002	127937
2003	125160
2004	122118
2005	119065
2006	115865
2007	112391
2008	108858
2009	105192
2010	101538
2011	98015
2012	94439
2013	90699
2014	86814
2015	82799
2016	78452
2017	74125
2018	69932
2019	65948
2020	62284
2021	59001
2022	56189