Year	Number
1996	294.31
1997	282.44
1998	320.66
1999	247.78
2000	324.89
2001	376.47
2002	393.49
2003	538.88
2004	548.13
2005	693.83
2006	814.81
2007	765.15
2008	892.89
2009	1023.77
2010	1247.55
2011	1391.56
2012	1580.13
2013	1727.03
2014	1766.44
2015	2234.7
2016	2508.37
2017	2772.91
2018	2996.8
2019	4053.25
2020	4443.22