Year	Subscribers
2001	1215
2002	5827
2003	15351
2004	36500
2005	70100
2006	98930
2007	128680
2008	143200
2009	156120
2010	168368
2011	169753
2012	169700
2013	176500
2014	186800
2015	195300
2016	203100
2017	212900