Year	Number of
1990	2083.82
1991	2048.42
1992	2029.73
1993	2021.17
1994	1997.12
1995	2016.21
1996	2009.26
1997	1975.23
1998	1959.79
1999	1965.4
2000	1940.03
2001	1929.36
2002	1906.88
2003	1885.81
2004	1861.1
2005	1856.21
2006	1829.33
2007	1799.8
2008	1793.3
2009	1754.31
2010	1730.39
2011	1716.48
2012	1705.08
2013	1680.9
2014	1657.76
2015	1676.55
2016	1687.42