| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 2024/9 | 136,578 | +0.9% |
| 2023/9 | 135,307 | +2.4% |
| 2022/9 | 132,096 | -4.9% |
| 2021/9 | 138,953 | +12.5% |
| 2020/9 | 123,528 | +21.4% |
| 2019/9 | 101,740 | +45.2% |
| 2018/9 | 70,074 | +14.4% |
| 2017/9 | 61,242 | +85.6% |
| 2016/9 | 32,992 | +12.5% |
| 2015/9 | 29,331 | -1.1% |
| 2014/9 | 29,650 | +192.0% |
| 2013/9 | 10,153 | +148.3% |
| 2012/9 | 4,090 | -79.6% |
| 2011/9 | 20,048 | - |