| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 2023/12 | 503,946 | -0.1% |
| 2022/12 | 504,676 | -0.3% |
| 2021/12 | 506,050 | -8.1% |
| 2020/12 | 550,743 | 0.0% |
| 2019/12 | 550,597 | +25.3% |
| 2018/12 | 439,540 | +0.1% |
| 2017/12 | 439,116 | +0.1% |
| 2016/12 | 438,667 | +13.0% |
| 2015/12 | 388,192 | +2.3% |
| 2014/12 | 379,297 | -3.3% |
| 2013/12 | 392,414 | +27.7% |
| 2012/12 | 307,387 | 0.0% |
| 2011/12 | 307,360 | +17.2% |
| 2010/12 | 262,333 | - |