Year	Number of
1990	80215.15
1991	81449.33
1992	82766.59
1993	84071.2
1994	85279.85
1995	86559.25
1996	86750.83
1997	87098.28
1998	87567.97
1999	87943.76
2000	88329.44
2001	88448.84
2002	88752.8
2003	89142.59
2004	89603.34
2005	90169.09
2006	91614.8
2007	93279.48
2008	94997.99
2009	96771.55
2010	98587.63
2011	101172.86
2012	103922.54
2013	106663.41
2014	108966.09
2015	111503.85
2016	114058.88