Year	Number of
1990	958.67
1991	988.04
1992	1021.37
1993	1131.05
1994	1201.79
1995	1100.29
1996	956.08
1997	913.4
1998	954.35
1999	910.24
2000	887.1
2001	941.08
2002	937.94
2003	906
2004	917.23
2005	962.98
2006	979.1
2007	950.83
2008	887.66
2009	840.74
2010	821.68
2011	788.81
2012	783.54
2013	763.33
2014	746.07
2015	736.68
2016	731.07