| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 333,389 | +1.4% |
| 2024/12 | 328,914 | -7.9% |
| 2023/12 | 356,947 | +6.0% |
| 2022/12 | 336,682 | +61.5% |
| 2021/12 | 208,412 | +80.1% |
| 2020/12 | 115,710 | +11.7% |
| 2019/12 | 103,579 | +24.6% |
| 2018/12 | 83,157 | +15.6% |
| 2017/12 | 71,911 | +25.0% |
| 2016/12 | 57,528 | -7.6% |
| 2015/12 | 62,283 | +15.3% |
| 2014/12 | 54,028 | +11.7% |
| 2013/12 | 48,374 | - |