Year	Number of
1990	1628.18
1991	1679.95
1992	1739.47
1993	1803
1994	1866.88
1995	1930.28
1996	1961.11
1997	1990.04
1998	2019.08
1999	2051.84
2000	2091.32
2001	2126.67
2002	2169.46
2003	2218.64
2004	2272.59
2005	2332.8
2006	2400.66
2007	2473.33
2008	2554.9
2009	2641.93
2010	2735.42
2011	2810.35
2012	2891.91
2013	2978.81
2014	3071.81
2015	3171.1
2016	3270.25
