Year	Number of
1990	1077.34
1991	1054.12
1992	1029.83
1993	1008.74
1994	991.76
1995	987.3
1996	957.43
1997	943.34
1998	924.63
1999	912.47
2000	908.58
2001	916.5
2002	919.44
2003	931.35
2004	945.57
2005	964.25
2006	997.78
2007	1026.53
2008	1061.11
2009	1097.16
2010	1135.14
2011	1176.11
2012	1220.51
2013	1272.35
2014	1335.72
2015	1402.97
2016	1480.81