Year	Number of
1990	793.28
1991	859.58
1992	914.3
1993	979.12
1994	1044.58
1995	1112.36
1996	1182.05
1997	1259.1
1998	1333.42
1999	1417.32
2000	1504.34
2001	1567.32
2002	1628.2
2003	1681.74
2004	1740.02
2005	1821.59
2006	1913.04
2007	2024.37
2008	2153.69
2009	2283.26
2010	2418.37
2011	2532.18
2012	2673.29
2013	2804.89
2014	2938.01
2015	3012.08
2016	3082.8