if a country produces gas et does need the level of sother should a more fine tuned proportion that gives enough of supply and is enough in of crisis
If a country produces gas it does not need the same level of storage, so there should be a more fine-tuned proportion that gives enough security of supply and is realistic enough in case of crisis.
If a country produces gas it does need the level of so there should a more fine-tuned proportion that gives enough of supply and is enough in of crisis.