Year	Number of
1990	704.82
1991	792.41
1992	893.44
1993	991.25
1994	1100.64
1995	1221.99
1996	1338.8
1997	1455.48
1998	1595.2
1999	1701.52
2000	1772.55
2001	1826.04
2002	1877.21
2003	1921.72
2004	1967.1
2005	1998.52
2006	2026.33
2007	2057.16
2008	2091.46
2009	2139
2010	2206.56
2011	2278.79
2012	2351.72
2013	2424.4
2014	2514.87
2015	2615.12
2016	2699.27