3-2,,,
"Prohibited Items Intercepted at U.S. Airport 
Screening Checkpoints: 2003–2005",,,
Items,2003,2004,2005
Other cutting instruments,"2,973,413","3,567,731","3,276,941"
Knives,"1,961,849","2,058,652","1,822,888"
Incendiaries and explosive/ flammable materials,"494,123","693,649","407,086"
Clubs ,"25,139","28,813","20,531"
Box cutters ,"20,991","22,350","21,319"
Firearms ,683,650,"2,217"
Other,"638,414","717,754","10,358,159"
Total prohibited items ,"6,114,612","7,089,599","15,909,141"
"Notes: Other cutting instruments includes scissors, hatchets, swords, sabers, meat cleavers, ice axes, and picks.",,,
"Knives includes any length and type except round-bladed, butter, and plastic cutlery.  ",,,
"Clubs includes martial arts items, baseball bats, night sticks, hammers, pool cues, and billy clubs.",,,
"Firearms includes any weapon (including a starter gun) that is designed to or may readily be converted to expel a projectile by the action of an explosive, as well as spear guns, BB guns, flare pistols, compressed air guns, and stunning devices.  ",,,
"Other refers to tools, self-defense items, compressed gas cylinders, bleach, and certain sporting goods. The jump in number of other prohibited items in 2005 is a result of the inclusion of lighters as prohibited items as of April 14, 2005.",,,
"Source: U.S. Department of Homeland Security, Transportation Security Administration, personal communication, November 2006.",,,