Year	Number of
1990	998.29
1991	1014.07
1992	953.76
1993	947.5
1994	1083.28
1995	1083.63
1996	979.15
1997	801
1998	732.58
1999	720.46
2000	709.18
2001	704.11
2002	707.35
2003	726.52
2004	739.49
2005	810.28
2006	800.25
2007	804.64
2008	808
2009	816.65
2010	870.77
2011	766.18
2012	781.11
2013	742.82
2014	778.25
2015	802.01
2016	792.91