Year	Number of
1990	1273
1991	1354.95
1992	1446.01
1993	1542.52
1994	1633.84
1995	1729.79
1996	1748.27
1997	1768.29
1998	1787.57
1999	1801.04
2000	1810.5
2001	1837.88
2002	1861.43
2003	1876.55
2004	1891.98
2005	1908.04
2006	1937.81
2007	1975.23
2008	2010.25
2009	2047.28
2010	2087.72
2011	2076.85
2012	2074.16
2013	2075.3
2014	2083.48
2015	2102.64
2016	2124.88