Year	Number of
1990	875.75
1991	913.75
1992	955.07
1993	999.77
1994	1045.61
1995	1092.33
1996	1132.91
1997	1171.84
1998	1210.38
1999	1251.24
2000	1296.19
2001	1340.18
2002	1387.46
2003	1441.81
2004	1499.46
2005	1560.89
2006	1621.27
2007	1684.7
2008	1756.58
2009	1832.19
2010	1912.18
2011	1992.72
2012	2076.78
2013	2163.3
2014	2254.92
2015	2352.48
2016	2468.08