Region
United States
10
United States --
5
Middle East
4
Afghanistan
3
Asia, Southeastern
2
Europe
2
Southeast Asia
2
1960-
1
2001-
1
Africa --
1
Chechni·a·
1
Egypt
1
Egypt --
1
Hijacking of ships
1
Iraq
1
Italy --
1
Middle East --
1
Nigeria
1
Pakistan
1
Pakistan --
1
Russia (Federation) --
1
Sicily
1
Singapore
1