Year	Subscribers
2001	17474
2002	46500
2003	90300
2004	138677
2005	179200
2006	246800
2007	264949
2008	294660
2009	313625
2010	347883
2011	348946
2012	349507
2013	360948
2014	371009
2015	384129
2016	394786
2017	404682