Year	Number of
1990	96357.32
1991	97009.26
1992	97645.15
1993	99010.26
1994	99897.83
1995	100671.78
1996	99243.77
1997	97481.55
1998	97819.19
1999	98207.89
2000	98224.35
2001	97892.59
2002	97971.45
2003	97686.61
2004	97109.01
2005	96748.09
2006	95378.85
2007	94664.23
2008	94519.1
2009	93990.99
2010	93844.52
2011	94624.24
2012	95991.24
2013	97854.02
2014	99550.29
2015	102707.79
2016	105601.34