Year Subscribers 2000 4473 2001 36636 2002 78151 2003 116997 2004 210209 2005 356198 2006 537628 2007 857812 2008 1115121 2009 1401548 2010 1673076 2011 1815638 2012 2036709 2013 2233431 2014 2400083 2015 2580080 2016 2612148 2017 2610118