Year	Number
1996	348.08
1997	403.39
1998	457.61
1999	476.6
2000	536.58
2001	539.78
2002	589.94
2003	656.22
2004	743.08
2005	778.15
2006	917.39
2007	1040.39
2008	1217.59
2009	1271.68
2010	1412.51
2011	1405.26
2012	1376.41
2013	1401.29
2014	1374.03
2015	1436.7
2016	1662.2
2017	1963.95
2018	2451.68
2019	2974.18
2020	3533.42