Number of incidents
| Malacca Strait | Indian Ocean | East Africa | West Africa | South America | Mediterranean Sea | South China Sea | Total | |
|---|---|---|---|---|---|---|---|---|
| 1998 | 6 | 25 | 19 | 22 | 38 | 2 | 94 | 210 |
| 1999 | 37 | 51 | 16 | 36 | 29 | 4 | 136 | 309 |
| 2000 | 112 | 109 | 29 | 33 | 41 | 2 | 140 | 471 |
| 2001 | 58 | 86 | 22 | 58 | 23 | 2 | 120 | 370 |
| 2002 | 34 | 66 | 23 | 47 | 67 | 3 | 140 | 383 |
| 2003 | 36 | 96 | 22 | 67 | 72 | 1 | 154 | 452 |
| 2004 | 60 | 41 | 13 | 57 | 46 | 0 | 113 | 330 |
| 2005 | 20 | 51 | 47 | 23 | 26 | 0 | 97 | 266 |
| 2006 | 22 | 53 | 31 | 31 | 31 | 1 | 66 | 240 |
| 2007 | 12 | 40 | 60 | 60 | 25 | 3 | 67 | 282 |
| 2008 | 2 | 26 | 134 | 50 | 19 | 2 | 72 | 306 |
| 2009 | NR | 27 | 222 | 46 | 36 | NR | 71 | 402 |
KEY: NR = no data reported.
NOTES: Incidents include attempts and threatening actions. Details may not add to totals because of missing categories.
SOURCE: International Maritime Organization, Reports on Acts of Piracy and Armed Robbery Against Ships (Annual Issues), available at http://www.imo.org/home.asp as of March 2010.