| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/9 | 735,651 | -1.7% |
| 2023/9 | 748,079 | +2.9% |
| 2022/9 | 727,154 | +4.6% |
| 2021/9 | 695,367 | -12.3% |
| 2020/9 | 793,200 | -12.4% |
| 2019/9 | 905,395 | -1.5% |
| 2018/9 | 919,030 | +7.7% |
| 2017/9 | 853,615 | +4.5% |
| 2016/9 | 816,843 | -1.7% |
| 2015/9 | 830,758 | +27.1% |
| 2014/9 | 653,651 | +106.4% |
| 2013/9 | 316,669 | +21.1% |
| 2012/9 | 261,455 | - |
| 2010/9 | 176,219 | - |