Year	Number of
1990	914.99
1991	951.91
1992	991.88
1993	1035.17
1994	1080.91
1995	1129.53
1996	1180.57
1997	1232.36
1998	1286.99
1999	1344.78
2000	1407.55
2001	1466.33
2002	1528.67
2003	1597.02
2004	1669.2
2005	1747.06
2006	1812.88
2007	1883.14
2008	1960.34
2009	2043.49
2010	2133.92
2011	2236.52
2012	2342.95
2013	2450.34
2014	2570.28
2015	2706.56
2016	2854.59