| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 2022/12 | 75,000 | -50.0% |
| 2021/12 | 150,000 | 0.0% |
| 2020/12 | 150,000 | -8.7% |
| 2019/12 | 164,298 | -38.3% |
| 2018/12 | 266,391 | +17.9% |
| 2017/12 | 226,035 | -26.1% |
| 2016/12 | 305,685 | -22.2% |
| 2015/12 | 392,695 | -36.1% |
| 2014/12 | 615,000 | +50.6% |
| 2013/12 | 408,370 | -26.6% |
| 2012/12 | 556,480 | +85.5% |
| 2011/12 | 300,000 | +327.0% |
| 2010/12 | 70,255 | - |