10)BRAZIL
256,000,000,000 US$
255,000,000,000 US$
256,000,000,000 US$
8)SWITZERLAND
262,000,000,000 US$
7)SOUTH KOREA
274,220,000,000 US$
6)INDIA
279,422,000,000 US$
5)TAIWAN
362,380,000,000 US$
4)SAUDI ARABIA
395,467,000,000 US$
3)RUSSIA
458,020,000,000 US$
2)JAPAN
1,019,000,000,000 US$
1)CHINA
2,454,300,000,000 US$