Year	Number of
1990	1066.54
1991	1156.46
1992	1253.22
1993	1349.39
1994	1454.73
1995	1570.09
1996	1671.75
1997	1777.79
1998	1895.31
1999	2000.74
2000	2099.25
2001	2168.27
2002	2238.26
2003	2303.96
2004	2385.85
2005	2468.28
2006	2535.07
2007	2609.15
2008	2670.25
2009	2751.96
2010	2862.2
2011	2980.78
2012	3103.3
2013	3229.19
2014	3366.35
2015	3503.42
2016	3615.74