NBC ABC CBS
2008 5,540,100 4,417,100 3,165,700
2009 5,471,100 4,265,700 3,067,700
2010 5,270,000 4,294,200 2,858,600
2011 5,439,300 4,783,000 2,866,800
2012 4,917,400 4,918,100 2,728,400
2013 4,716,700 5,443,000 3,121,300
2014 4,857,700 5,449,900 3,289,100

Source: Nielsen Media Research