Year	Subscribers
2001	10915
2002	21205
2003	199324
2004	577931
2005	1589768
2006	2773685
2007	4753757
2008	5756965
2009	6450287
2010	7098163
2011	7591367
2012	7868968
2013	8893391
2014	8866361
2015	9504594
2016	10499692
2017	11924905