Table 2-16b: Prohibited Items Intercepted at Airport Screening Checkpoints,,,,,, ,2002a,2003,2004, (R) 2005 ,2006,2007 Enplanements ," (R) 554,046,622 "," (R) 587,535,022 "," (R) 634,426,165 ","659,600,540","655,144,131","673,248,973" Total prohibited items,"3,775,345","6,114,612","7,089,599","15,887,596","13,711,759","6,516,022" Firearms,927,683,650,"2,217","2,075","1,416" Knives,"1,036,697","1,961,849","2,058,652","1,822,752","1,607,125","1,056,687" Box cutters,"32,788","20,991","22,350","21,315","15,999","11,908" Other cutting instruments,"1,846,207","2,973,413","3,567,731","3,276,691","163,419","101,387" Clubs,"11,131","25,139","28,813","20,531","12,296","9,443" Incendiaries,"79,341","494,123","693,649","398,830","113,700","89,623" Other,"768,254","638,414","717,754","10,345,260","11,797,145","5,245,558" KEY: R = revised.,,,,,, ,,,,,, "a All data, except enplanements, for April though December.",,,,,, ,,,,,, SOURCES,,,,,, "All data, except enplanements:",,,,,, "U.S. Department of Homeland Security, Transportation Security Administration, personal communication as of October 2008.",,,,,, Enplanements:,,,,,, "U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Office of Airline Information, T-100 Domestic Market Data.",,,,,, ,,,,,, ,,,,,, ,,,,,, ,,,,,, ,,,,,,