Year	Number of
1990	1059.08
1991	1086.92
1992	1116.04
1993	1146.24
1994	1186.89
1995	1237.88
1996	1290.16
1997	1352.3
1998	1421.23
1999	1498.47
2000	1574.9
2001	1641.55
2002	1702.83
2003	1756.52
2004	1804.04
2005	1847.99
2006	1880.63
2007	1910.06
2008	1941.61
2009	1974.26
2010	2005.8
2011	2029.32
2012	2053.2
2013	2077.23
2014	2099.23
2015	2119.45
2016	2134.93