Year	Number
1990	192021
1991	181104
1992	170400
1993	160429
1994	152600
1995	147423
1996	143838
1997	141786
1998	140080
1999	137293
2000	134991
2001	133034
2002	130980
2003	128825
2004	136762
2005	123960
2006	119836
2007	113840
2008	114299
2009	101608
2010	95364
2011	89929
2012	85897
2013	82470
2014	79597
2015	77260
2016	75226
2017	73305
2018	71307
2019	69398
2020	67785
2021	66897
2022	66365