Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Ship size | Cargo | 2004 | 2005 | 2006 |
| --- | --- | --- | --- | --- |
| Ship size | Cargo | 2004 | 2005 | 2006 |
| VLCC | Crude | $95,250 | $59,070 | $51,550 |
| Suezmax | Crude | $64,800 | $47,500 | $46,000 |
| Aframax | Crude | $43,915 | $39,000 | $31,750 |
| All product carriers | All product carriers | $24,550 | $25,240 | $21,400 |
Question:
What ship size had a cargo value of $31,750 in 2006?
Answer:
Aframax