Year	Number of
1990	841.51
1991	867.55
1992	893.42
1993	920.09
1994	952.51
1995	981.23
1996	1010.18
1997	1046.23
1998	1084.89
1999	1132.58
2000	1192.34
2001	1275.09
2002	1360.86
2003	1451.82
2004	1510.92
2005	1591.31
2006	1632.17
2007	1676.61
2008	1720.07
2009	1760.92
2010	1798.16
2011	1857.8
2012	1917.39
2013	1968.47
2014	2020.48
2015	2071.03
2016	2118.03