单位：亿美元
| 月份
|
数额
|
| 1
|
3044.57
|
| 2
|
3082.52
|
| 3
|
3160.09
|
| 4
|
3262.91
|
| 5
|
3400.61
|
| 6
|
3464.76
|
| 7
|
3564.86
|
| 8
|
3647.34
|
| 9
|
3838.63
|
| 10
|
4009.92
|
| 11
|
4203.61
|
| 12
|
4032.51
|
