| Flag State | Security exams | Distinct arrival | ISPS Major Control Action | Rolling average control action ratio |
|---|---|---|---|---|
| Panama | 1,810 | 1,666 | 9 | 1.07% |
| Antigua and Barbuda | 354 | 271 | 3 | 1.27% |
| Liberia | 1,007 | 881 | 3 | 0.42% |
| Bahamas | 734 | 622 | 2 | 0.49% |
| Cyprus | 384 | 356 | 2 | 0.90% |
| Malta | 401 | 379 | 2 | 0.87% |
| Marshall Islands | 560 | 492 | 2 | 0.51% |
| Netherlands | 203 | 149 | 2 | 1.81% |
| Bermuda | 96 | 66 | 1 | 0.65% |
| Bulgaria | 10 | 15 | 1 | 2.56% |
| Cambodia | 5 | 4 | 1 | 42.86% |
| Croatia | 24 | 27 | 1 | 1.56% |
| Denmark | 83 | 90 | 1 | 1.50% |
| Hong Kong | 430 | 436 | 1 | 0.54% |
| Netherlands Antilles | 71 | 51 | 1 | 0.82% |
| Portugal | 24 | 14 | 1 | 4.00% |
| Thailand | 43 | 44 | 1 | 2.48% |
| Vanuatu | 64 | 63 | 1 | 0.65% |
| Other | 2,750 | 2,552 | 0 | |
| Austria | 3 | 2 | 0 | 0.00% |
| Bahrain | 1 | 2 | 0 | 0.00% |
| Total | 9,053 | 8,178 | 35 | 0.80% |
SOURCE: U.S. Department of Transportation (USDOT), Research and Innovative Technology Administration (RITA), Bureau of Transportation Statistics (BTS), derived from data contained in the Department of Homeland Security, U.S. Coast Guard, Port State Control in the United States, Annual Report 2006.