1. تولیدکنندگان اول گاز طبیعی
2. World 2,637,000,000,000
3. 2 Russia 578,600,000,000
4. 3 United States 548,100,000,000
5. 4 European Union 242,600,000,000
6. 5 Canada 165,800,000,000
7. 6 United Kingdom 105,900,000,000
8. 7 Algeria 80,300,000,000
9. 8 Iran 79,000,000,000
10. 9...