Year	Number
2005	130000
2006	520000
2007	800000
2008	1600000
2009	1907697
2010	2955862
2011	3170384
2012	3644976
2013	3996550
2014	3945575
2015	4978813
2016	5125499
2017	5239743
2018	5405125
2019	6784185
2020	7769401
2021	7566286
2022	7190920