Indian Ocean
The ocean between Africa, Asia, Australia and Antarctica (or the Southern Ocean)
Has the Indian Ocean garbage patch not completed two full rotations of debris since its discovery?
The Indian Ocean garbage patch was discovered in 2010 The Indian Ocean garbage patch takes 6 years to complete a circulation 
When was the Indian Ocean garbage patch discovered? How long does it take for the Indian Ocean garbage patch to complete a rotation? How many years has it been since #1? Is #3 less than two times #2?