China's total apparent consumption of natural gas reached 167.6 billion cubic meters in 2013. Of this huge amount, imported natural gas accounted for 31.6 percent of the total, or 53 billion cubic meters.

Where did natural gas imports come from last year? Here is the list of the country's top 10 natural gas suppliers in 2013 according to statistics by Sublime China Information Co, a commodities consultancy.

No 10 Nigeria

Export gas amount: about 510 million cubic meters

Percentage of China's total gas imports: 0.96 percent