Year	Subscribers
2001	7771
2002	12235
2003	15039
2004	16746
2005	17567
2006	112738
2007	150283
2008	196190
2009	234381
2010	258292
2011	282843
2012	294739
2013	307266
2014	310065
2015	316168
2016	429931
2017	446076