Year	Number of
1990	1522.63
1991	1571.64
1992	1625.09
1993	1680.13
1994	1738.06
1995	1803.72
1996	1876.09
1997	1951.07
1998	2028.42
1999	2109.74
2000	2198.74
2001	2263.33
2002	2332.09
2003	2406
2004	2485
2005	2563.4
2006	2575.77
2007	2598.42
2008	2623.77
2009	2647.11
2010	2669.26
2011	2736.04
2012	2802.08
2013	2866.68
2014	2934.69
2015	3002.69
2016	3071.8