Year	Number of
1990	893.93
1991	921.54
1992	952.49
1993	982.36
1994	1016.1
1995	1053.08
1996	1088.38
1997	1127.79
1998	1169.97
1999	1202.91
2000	1240.41
2001	1278.75
2002	1309.45
2003	1362.92
2004	1366.55
2005	1382.67
2006	1412
2007	1451.86
2008	1483.68
2009	1516.25
2010	1545.54
2011	1590.54
2012	1634.39
2013	1670.93
2014	1705.28
2015	1736.78
2016	1764.69