Year	Number of
1990	889.96
1991	910.81
1992	931.27
1993	959.26
1994	990.64
1995	1033.5
1996	1062.43
1997	1093.73
1998	1118.82
1999	1146.79
2000	1170.66
2001	1183.67
2002	1187.68
2003	1174.68
2004	1167.34
2005	1173.12
2006	1178.16
2007	1185.09
2008	1200.94
2009	1208.4
2010	1221.88
2011	1244.61
2012	1260.94
2013	1280.2
2014	1299.02
2015	1355.28
2016	1404.51