Completed the following sentence: Grenada became a CONCACAF member in 1978 and has since regularly entered the continental championships. ️<unk>️<unk>️<unk>
2011 <unk> ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️