Year	Number
1996	368.49
1997	396.28
1998	389.76
1999	407.26
2000	444.19
2001	434.28
2002	420.78
2003	566.83
2004	527.3
2005	587.03
2006	726.06
2007	861.73
2008	1054.16
2009	1163.91
2010	1426.83
2011	1385.91
2012	1913.43
2013	1786.71
2014	2227.1
2015	2150.99
2016	2567.09
2017	3059.56
2018	3039.88
2019	5012.04
2020	4927.32