This narrative summarizes the progress and the shortfalls of the networks’ diversity efforts during the 2011-2012 television season.
http://www.nhmc.org/wp-content/uploads/2017/07/NLMC-Report-Card-Narrative-and-Grades-2012-2.pdf
The grading explanation for the TV report card: http://www.nhmc.org/wp-content/uploads/2012/07/2012-Network-Report-Card-Explanation-1.pdf