Year	Number of
1990	2967.6
1991	2975.23
1992	2980.85
1993	3043.47
1994	3101.25
1995	3180.2
1996	3011.06
1997	3046.99
1998	3069.68
1999	3100.42
2000	3129.43
2001	3157.01
2002	3180.52
2003	3202.57
2004	3222.51
2005	3241.16
2006	3247.22
2007	3259.07
2008	3272.06
2009	3290.27
2010	3303.34
2011	3306.14
2012	3318.59
2013	3342.53
2014	3369.44
2015	3405.5
2016	3443.17