Year	Number
1990	226447
1991	220883
1992	214943
1993	206790
1994	197202
1995	188351
1996	179775
1997	174166
1998	169874
1999	166232
2000	162860
2001	159753
2002	156584
2003	154489
2004	152413
2005	150434
2006	148624
2007	146848
2008	144712
2009	143085
2010	142608
2011	141948
2012	141120
2013	139373
2014	136599
2015	132457
2016	126073
2017	122388
2018	118629
2019	113988
2020	110321
2021	106694
2022	103021