Gas reserves in European storage facilities drop to 36.5% / Gas reserves in European storage facilities drop to 36.7% / Gas reserves in European storage facilities drop below 38% first time in 36 months / Gas reserves in European storage facilities fall to around 47% / Gas reserves in France's UGS facilities down below 30% / Gas reserves in UGS facilities down below 50% in Germany, at 30% in France / Gas reserves in European storage facilities fall below 50% / Gas reserves in European UGS facilities fall to around 51% / Gas reserves in UGS facilities in France down below 35% / Gas reserves in European storage facilities fall to 53%