Year	Number
1994	600
1995	600
1996	1400
1997	1900
1998	1100
1999	2700
2000	3885
2001	3974
2002	3762
2003	3800
2004	4104
2005	4309
2006	4481
2007	4930
2008	5058
2009	5140
2010	9412
2011	10373.2109418273
2012	10309.1791376912
2013	11196
2014	1992
2016	306
2017	1904
2018	2935
2019	2558
2020	1274
2021	1471