Imports In 2021, Saint Vincent and the Grenadines imported $547k in Graders and levellers, self-propelled, becoming the 0th largest importer of Graders and levellers, self-propelled in the world. At the same year, Graders and levellers, self-propelled was the 0th most imported product in Saint Vincent and the Grenadines. Saint Vincent and the Grenadines imports Graders and levellers, self-propelled primarily from: N/A.