Year	Number of
1990	4530.98
1991	4602.48
1992	4682.42
1993	4765.42
1994	4849.18
1995	4938.16
1996	4960.04
1997	4990.95
1998	5028.27
1999	5068
2000	5108
2001	5119.49
2002	5128.23
2003	5133.59
2004	5156.1
2005	5189.38
2006	5217.48
2007	5247.1
2008	5280.17
2009	5315.93
2010	5355.6
2011	5421.77
2012	5483.52
2013	5544.74
2014	5614.69
2015	5703.38
2016	5795.24