The RAND report Paths to Victory: Lessons from Modern Insurgencies added 41 new cases to a previously studied set of 30 insurgencies, examining the 71 insurgencies begun and completed worldwide between World War II and 2008 to analyze correlates
Christopher Paul,Colin P. Clarke,Beth Grill,et al. Counterinsurgency Scorecard: Afghanistan in Early 2013 Relative to Insurgencies Since World War II. 2013-01-01.