| 2008 | 2007 | |
| US$ '000 | US$ '000 | |
| Cash and cash equivalents in U.S. dollars | 439,515 | 1,050,919 |
| Cash and cash equivalents in other currencies | 234,680 | 123,678 |
| Total cash and cash equivalents | 674,195 | 1,174,597 |
Our cash is diversified among leading international and domestic banks within the countries where we operate.