Year ABC World News CBS Evening News NBC Nightly News
2008 5.6 4.2 5.8
2009 5.2 4.1 5.7
2010 5.0 3.8 5.6
2011 5.2 4.0 5.7
2012 5.0 4.2 5.7
2013 5.2 4.4 5.7
2014 5.3 4.5 5.9

Source: Nielsen Media Research