| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 2025/1 | 4,136 | -5.7% |
| 2024/1 | 4,384 | -79.8% |
| 2023/1 | 21,744 | +49.8% |
| 2022/1 | 14,513 | +39.0% |
| 2021/1 | 10,440 | -37.5% |
| 2020/1 | 16,696 | -22.0% |
| 2019/1 | 21,414 | +28.4% |
| 2018/1 | 16,681 | +232.9% |
| 2017/1 | 5,011 | -25.9% |
| 2016/1 | 6,760 | -29.0% |
| 2015/1 | 9,519 | +15.4% |
| 2014/1 | 8,248 | +103.5% |
| 2013/1 | 4,053 | -64.8% |
| 2012/1 | 11,508 | - |