Year	Number
1996	505.62
1997	607.37
1998	678.9
1999	812.79
2000	870.34
2001	968.97
2002	950.81
2003	925.29
2004	969.02
2005	908.68
2006	967.37
2007	1028.28
2008	1204.67
2009	1448.45
2010	1569.6
2011	1865.59
2012	2073.1
2013	2138.76
2014	2411.19
2015	2441.25
2016	3623.58
2017	4033.58
2018	4698.58
2019	5528.3
2020	6452.54