| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 2024/12 | 344,600 | -20.9% |
| 2023/12 | 435,800 | +145.1% |
| 2022/12 | 190,100 | +8.4% |
| 2022/1 | 177,800 | +1.4% |
| 2021/1 | 175,365 | - |
| 2019/12 | 175,229 | -29.9% |
| 2018/12 | 250,034 | -9.6% |
| 2017/12 | 276,648 | +45.2% |
| 2016/12 | 180,000 | -9.0% |
| 2016/1 | 190,477 | -3.7% |
| 2015/1 | 197,736 | - |
| 2013/12 | 150,091 | -0.0% |
| 2012/12 | 150,146 | +0.1% |
| 2011/12 | 150,200 | - |
| 2011/1 | 150,000 | - |