Year	Number of
1990	879.78
1991	896.36
1992	907.37
1993	930.22
1994	943.8
1995	977.35
1996	1006.93
1997	1019.54
1998	1036.55
1999	1048.66
2000	1050.46
2001	1072.06
2002	1085.08
2003	1100.16
2004	1118.71
2005	1132.79
2006	1151.97
2007	1178.65
2008	1179.82
2009	1189.98
2010	1197.99
2011	1211.42
2012	1223.33
2013	1227
2014	1242.25
2015	1272.49
2016	1306.64