日期:
USD$1,550,000,000
USD$1,400,000,000
USD$1,200,000,000
USD$1,040,000,000
USD$925,000,000
USD$835,000,000
USD$785,000,000
USD$725,000,000
USD$672,000,000
USD$638,000,000
USD$596,000,000
USD$550,000,000
USD$522,000,000
USD$500,000,000
USD$461,000,000