2014年，欧盟成员国耗费了超过保加利亚、匈牙利、斯洛伐克和斯洛文尼亚四国GDP总和的惊人的2710亿欧元从国外进口原油。
In 2014, EU member states spent a staggering €271 billion on foreign crude oil – more than the combined GDP of Bulgaria, Hungary, Slovakia, and Slovenia.