Year	Number of
1990	844.12
1991	906.77
1992	968.94
1993	1057.65
1994	1102.85
1995	1156.38
1996	1174.55
1997	1213.74
1998	1229.39
1999	1260.67
2000	1259.13
2001	1278.13
2002	1295.22
2003	1274.8
2004	1284.24
2005	1293.43
2006	1277.97
2007	1248.42
2008	1269.71
2009	1282.28
2010	1313.85
2011	1323.43
2012	1259.67
2013	1239.04
2014	1206.64
2015	1202.21
2016	1209.53