Year	Number
2001	84220
2002	401560
2003	951335
2004	2170796
2005	3816909
2006	8258932
2007	12147445
2008	14208640
2009	16763026
2010	18051843
2011	20208640
2012	20882334
2013	21977753
2014	22715875
2015	23363768
2016	24120554
2017	25143985
2018	26151133
2019	27181007
2020	28406882
2021	29649272
2022	30906039