Year	Number of
1990	784.49
1991	812.56
1992	844.25
1993	863.13
1994	885.38
1995	914.82
1996	927.59
1997	926.84
1998	933.02
1999	948.21
2000	949.7
2001	946.79
2002	951.42
2003	956.15
2004	969.95
2005	975.02
2006	977.32
2007	988.92
2008	1002.08
2009	1012.26
2010	1029.9
2011	1052.14
2012	1073.57
2013	1091.03
2014	1122.51
2015	1163.21
2016	1190.39