| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/6 | 116,827 | -4.1% |
| 2024/6 | 121,784 | -6.7% |
| 2023/6 | 130,501 | -8.2% |
| 2022/6 | 142,178 | -9.4% |
| 2021/4 | 156,852 | -7.5% |
| 2020/4 | 169,536 | +1.7% |
| 2019/4 | 166,695 | -9.1% |
| 2018/4 | 183,295 | +0.6% |
| 2017/4 | 182,168 | +4.9% |
| 2016/4 | 173,598 | +8.6% |
| 2015/4 | 159,804 | +38.2% |
| 2014/4 | 115,604 | +25.1% |
| 2013/4 | 92,407 | -10.8% |
| 2012/4 | 103,576 | -14.8% |
| 2011/4 | 121,633 | -4.2% |
| 2010/4 | 126,901 | - |