Year	Number of
1990	2023.31
1991	2000.19
1992	1993.02
1993	1990.09
1994	1979.22
1995	2005.66
1996	2002.98
1997	1982.81
1998	1978.95
1999	1992.02
2000	1984.73
2001	1985.33
2002	1972.66
2003	1959.28
2004	1943.95
2005	1946.67
2006	1924.81
2007	1900.79
2008	1897.6
2009	1859.94
2010	1838.16
2011	1827.46
2012	1810.77
2013	1782.94
2014	1760.55
2015	1779.68
2016	1792.36