Year	Number of
1990	897.06
1991	956.08
1992	984.32
1993	1016.49
1994	1057.98
1995	1097.21
1996	1092.3
1997	1097.89
1998	1118.82
1999	1136.76
2000	1189.43
2001	1222.99
2002	1243.2
2003	1287.68
2004	1350.63
2005	1398.43
2006	1459.23
2007	1495.28
2008	1517.57
2009	1549.7
2010	1607.6
2011	1651.8
2012	1725.94
2013	1828.86
2014	1902.16
2015	1972.98
2016	2038.11