Chapter 15: Hate Crimes, Mass Murder, Terrorism, and Homeland Security

Terrorist attacks and casualties worldwide by month, 2015 (Table 1, p. 4)
https://www.state.gov/documents/organization/257738.pdf

Ten countries with the most terrorist attacks, 2015 (Table 2, p.5)
https://www.state.gov/documents/organization/257738.pdf

American Deaths in Terrorist Attacks, 1995-2014 (p. 1)
https://www.start.umd.edu/pubs/START_AmericanTerrorismDeaths_FactSheet_Oct2015.pdf