Year	Number of
1990	653.37
1991	668.38
1992	674.69
1993	660.8
1994	693.99
1995	695.12
1996	707.88
1997	699.71
1998	700.64
1999	714.43
2000	697.57
2001	704.24
2002	765.84
2003	757.83
2004	729.12
2005	732.57
2006	746.22
2007	752.58
2008	778.23
2009	793.91
2010	804.82
2011	823.2
2012	839.72
2013	852.08
2014	883.27
2015	914.76
2016	946.27