Imports In 2021, British Indian Ocean Territory imported $901 in Pebbles, gravel, broken & crushed stone for aggregate, becoming the 0th largest importer of Pebbles, gravel, broken & crushed stone for aggregate in the world. At the same year, Pebbles, gravel, broken & crushed stone for aggregate was the 0th most imported product in British Indian Ocean Territory. British Indian Ocean Territory imports Pebbles, gravel, broken & crushed stone for aggregate primarily from: N/A.