| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/3 | 165,000 | +0.5% |
| 2024/3 | 164,203 | -0.8% |
| 2023/3 | 165,484 | +13.5% |
| 2022/3 | 145,747 | +72.9% |
| 2021/3 | 84,315 | +4.0% |
| 2020/3 | 81,081 | +18.2% |
| 2019/3 | 68,575 | +5.9% |
| 2018/3 | 64,756 | +8.8% |
| 2017/3 | 59,544 | -3.2% |
| 2016/3 | 61,536 | -1.8% |
| 2015/3 | 62,660 | -13.4% |
| 2014/3 | 72,327 | -2.3% |
| 2013/3 | 74,009 | -1.6% |
| 2012/3 | 75,205 | - |