 Offshore exploration in the North Cuba Basin had revealed the possibility of an additional of technically recoverable crude oil, 0.9 billion barrels of natural gas liquids, and 9.8 trillion cubic feet of natural gas.As of 2011, Cuba had six offshore petroleum development projects with foreign oil companies Petrovietnam (Vietnam), Petronas (Malaysia), PDVSA (Venezuela), Sonangol (Angola), ONGC (India), Repsol (Spain), and Statoil (Norway).Sugarcane was historically the most important part of the Cuban economy, and is still grown on large areas; in 2018, Cuba produced an estimated 1.1–1.3 million tonnes of raw sugar.