| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/4 | 80,287 | +3.0% |
| 2024/4 | 77,966 | +14.1% |
| 2023/4 | 68,335 | +7.6% |
| 2022/4 | 63,521 | +2.7% |
| 2021/4 | 61,845 | +11.8% |
| 2020/4 | 55,311 | +19.0% |
| 2019/4 | 46,489 | -4.3% |
| 2018/4 | 48,588 | +2.8% |
| 2017/4 | 47,260 | +30.5% |
| 2016/4 | 36,220 | +31.2% |
| 2015/4 | 27,597 | +5.4% |
| 2014/4 | 26,172 | +37.7% |
| 2013/4 | 19,004 | +35.6% |
| 2012/4 | 14,017 | +10.6% |
| 2011/4 | 12,671 | - |