Year	Number of
1990	76731.84
1991	78210.7
1992	80592.9
1993	83131.99
1994	85880.15
1995	88589.47
1996	90338.03
1997	92055.73
1998	93933.62
1999	95498.76
2000	97343.42
2001	98737.65
2002	99338.43
2003	98465.23
2004	98324.04
2005	98511.79
2006	97489.07
2007	97473.32
2008	97451.72
2009	96959.08
2010	96515.8
2011	96008.41
2012	96492.75
2013	97111.14
2014	99519.92
2015	101138.42
2016	103265.63