Year	Number
2006	3688000
2007	4544000
2008	4330000
2009	5423000
2010	6019000
2011	8020000
2012	9066000
2013	10144000
2014	10450000
2015	11303000
2016	9756000
2017	10261000
2018	10646000
2019	10707000
2020	2865000