Year	Number of
1990	2026.06
1991	2049.26
1992	2091.83
1993	2103.26
1994	2048.35
1995	2038.74
1996	2074.21
1997	2034.19
1998	2009.25
1999	1991.93
2000	1983.25
2001	1995.13
2002	2023.36
2003	2063.33
2004	2070.72
2005	2027.66
2006	2062.8
2007	2077.02
2008	2100.99
2009	2136.81
2010	2185.37
2011	2227.19
2012	2298.79
2013	2355.98
2014	2376.72
2015	2430.69
2016	2516.89