| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/9 | 421,645 | -38.5% |
| 2023/9 | 685,330 | -31.1% |
| 2022/9 | 994,378 | +33.3% |
| 2021/9 | 746,242 | +2598.3% |
| 2020/9 | 27,656 | -84.8% |
| 2019/9 | 182,449 | -13.1% |
| 2018/9 | 210,047 | -42.2% |
| 2017/9 | 363,256 | +20.2% |
| 2016/9 | 302,287 | -13.5% |
| 2015/9 | 349,398 | -3.4% |
| 2014/9 | 361,573 | -17.8% |
| 2013/9 | 439,611 | +16.1% |
| 2012/9 | 378,634 | -6.7% |
| 2011/9 | 405,758 | - |