Year	Number of
1990	9277.34
1991	9377.99
1992	9457.22
1993	9541.47
1994	9523.63
1995	9620.97
1996	9604.7
1997	9437.95
1998	9442.17
1999	9468.37
2000	9440.1
2001	9466.48
2002	9532.93
2003	9682.44
2004	9580.48
2005	9633.43
2006	9671.72
2007	9702.5
2008	9815.32
2009	9814.81
2010	9801.24
2011	9849.48
2012	9956.3
2013	9945.92
2014	9933.6
2015	10074.66
2016	10228.39