Year	Number of
1990	916.39
1991	958.99
1992	994.03
1993	1040.03
1994	1089.32
1995	1124.12
1996	1169.37
1997	1199.85
1998	1257.59
1999	1314.24
2000	1370.85
2001	1421.03
2002	1465.61
2003	1510.67
2004	1573.32
2005	1631.02
2006	1700.28
2007	1777.63
2008	1847.16
2009	1921.56
2010	1991.92
2011	2024.11
2012	2049.87
2013	2055.34
2014	2035.55
2015	2041.37
2016	2058.4