Year Subscribers 2000 4658 2001 17267 2002 43500 2003 83000 2004 191695 2005 321000 2006 470200 2007 853020 2008 914961 2009 1022335 2010 1092000 2011 1178000 2012 1272000 2013 1316000 2014 1410000 2015 1450900 2016 1530500 2017 1582000