Year	Number of
1990	6978.31
1991	7024.85
1992	7051.88
1993	7052.66
1994	7121.59
1995	7216.99
1996	7264.48
1997	7233.55
1998	7225.25
1999	7198.85
2000	7154.2
2001	7086.72
2002	7109.36
2003	7126.8
2004	7083.14
2005	7025.94
2006	7038.16
2007	7108.97
2008	7118.07
2009	7095.27
2010	7044.1
2011	7056.3
2012	7080.41
2013	7092.83
2014	7105.36
2015	7261.71
2016	7395.48