Year	Number of
1990	74079.26
1991	75720.65
1992	77801.73
1993	80197.36
1994	82673.96
1995	85196.29
1996	86973.08
1997	88635.2
1998	90297.87
1999	92208.28
2000	94499.1
2001	94986.17
2002	95707.69
2003	96676.39
2004	97818.58
2005	99161.25
2006	99471.14
2007	99977.95
2008	100887.78
2009	101917.83
2010	103111.09
2011	106190.29
2012	109538.98
2013	113120.23
2014	117019.62
2015	121271.24
2016	125740.09