Year	Number
1990	71992
1991	73942
1992	82475
1993	84985
1994	82507
1995	84692
1996	78782
1997	77769
1998	77923
1999	79426
2000	77980
2001	76615
2002	74418
2003	72139
2004	69882
2005	67880
2006	66098
2007	63913
2008	60970
2009	57140
2010	53855
2011	50491
2012	47027
2013	43496
2014	40594
2015	36942
2016	34717
2017	31787
2018	30005
2019	28877
2020	29308
2021	28176
2022	37067