Year	Number of
1990	1798.41
1991	1823.67
1992	1880.49
1993	1931.93
1994	1986.48
1995	2051.75
1996	2104.16
1997	2159.02
1998	2160.45
1999	2189.26
2000	2229.38
2001	2188.8
2002	2201.56
2003	2202.56
2004	2219.86
2005	2266.06
2006	2284.34
2007	2350.89
2008	2379.15
2009	2450.08
2010	2521.38
2011	2565.23
2012	2610.61
2013	2659.78
2014	2772.41
2015	2896.24
2016	2969.69