Year	Number of
1990	750.21
1991	782.61
1992	819.21
1993	863.16
1994	913.67
1995	971.71
1996	990.9
1997	1012.73
1998	1036.68
1999	1062.81
2000	1091.16
2001	1135.42
2002	1180.78
2003	1228.39
2004	1277.63
2005	1329.28
2006	1393.86
2007	1461.13
2008	1531.9
2009	1604.83
2010	1681.25
2011	1745.11
2012	1809.07
2013	1873.05
2014	1937.86
2015	2003.25
2016	2046.23