Year	Number of
1990	949.7
1991	985.06
1992	1011.45
1993	1042.72
1994	1076.38
1995	1111.99
1996	1135.33
1997	1165
1998	1188.12
1999	1228.8
2000	1242.59
2001	1253.1
2002	1260.89
2003	1322.06
2004	1331.91
2005	1356.63
2006	1380.92
2007	1388.38
2008	1400.06
2009	1497.01
2010	1549.65
2011	1599.64
2012	1651.33
2013	1729.54
2014	1795.09
2015	1863.39
2016	1928.66