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Table 2 Piracy attacks across continents

From: Situational crime prevention and worldwide piracy: a cross-continent analysis

Continent Successful attacks (% of category) Unsuccessful attacks (% of category) Unknown attack status (% of category) Total attacks (% of total)
Americas 271 (56.8) 191 (40.0) 15 (3.1) 477 (9.7)
Africa 720 (38.0) 1124 (59.3) 52 (2.7) 1896 (38.7)
South East Asia 901 (55.4) 681 (41.9) 45 (2.8) 1627 (33.2)
Far East 182 (62.1) 95 (32.4) 16 (5.5) 293 (6.0)
Indian sub-continent 295 (54.8) 233 (43.3) 10 (1.9) 538 (11.0)
Rest of the world 35 (52.2) 27 (40.3) 5 (7.5) 67 (1.4)
Not reported 0 (0) 0 (0) 4 (100.0) 4 (0.1)
Total 2404 (49.0) 2351 (48.0) 147 (3.0) 4902 (100.00)
Pearson χ² 168.03    
p <.01    
Cramer’s V 0.19    
  1. Sum of percentages does not equal exactly 100 % due to rounding. The Chi-square test was conducted on a 6 × 2 cross tabulation with continent of attack (Americas, Africa, South East Asia, Far East, Indian sub-continent, Rest of the word) as the rows and attack status (successful or unsuccessful) as the columns