The State Department has released its latest "Country Report on Terrorism." This report is required by law and until 2004 was called the "Patterns of Global Terrorism." The html version of the 2007 is now available at
http://www.state.gov/s/ct/rls/crt/2007/
Previous reports [2006-2000] can be found at http://www.state.gov/s/ct/rls/crt and the archive [1995-1999] of the earlier reports can be found at http://www.state.gov/www/global/terrorism/annual_reports.html