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$