Year	Number
1990	115150
1991	110595
1992	106015
1993	99670
1994	92439
1995	86808
1996	82038
1997	78485
1998	75361
1999	72609
2000	70559
2001	68275
2002	65814
2003	64396
2004	63430
2005	62292
2006	61694
2007	61453
2008	60662
2009	58932
2010	56615
2011	54572
2012	53043
2013	51623
2014	50438
2015	49598
2016	48524
2017	46935
2018	45102
2019	43476
2020	41972
2021	41113
2022	40630