Year Digital Print
2003 1.2 44.9
2004 1.5 46.7
2005 2 47.4
2006 2.7 46.6
2007 3.2 42.2
2008 3.1 34.7
2009 2.7 24.8
2010 3 22.8
2011 3.2 20.7
2012 3.4 18.9
2013 3.4 17.3
2014 3.5 16.4