Year	Number
1996	382.19
1997	476.27
1998	555.52
1999	602.81
2000	656.7
2001	800.09
2002	981.44
2003	1067.05
2004	1350.12
2005	1697.72
2006	1965.95
2007	2298
2008	2747.07
2009	3176.31
2010	3427.52
2011	3665.48
2012	3770.8
2013	4195.96
2014	4444.29
2015	4788.87
2016	5366.04
2017	5546.54
2018	5434.41
2019	5029.45
2020	5164.88