| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/3 | 219,600 | -4.1% |
| 2024/3 | 229,000 | +3.9% |
| 2023/4 | 220,500 | -4.0% |
| 2022/4 | 229,700 | -7.2% |
| 2021/3 | 247,600 | -8.1% |
| 2020/3 | 269,500 | -4.2% |
| 2019/3 | 281,300 | -4.7% |
| 2018/3 | 295,200 | -4.0% |
| 2017/4 | 307,500 | -0.8% |
| 2016/4 | 310,000 | +5.4% |
| 2015/3 | 294,000 | +14.0% |
| 2014/3 | 258,000 | +11.1% |
| 2013/3 | 232,300 | +3.2% |
| 2012/3 | 225,200 | +16.0% |
| 2011/4 | 194,100 | - |