| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 37,897 | +9.5% |
| 2023/12 | 34,605 | +10.0% |
| 2022/12 | 31,454 | -9.1% |
| 2021/12 | 34,592 | -1.5% |
| 2020/12 | 35,121 | -3.8% |
| 2019/12 | 36,515 | -5.2% |
| 2018/12 | 38,499 | -0.5% |
| 2017/12 | 38,681 | +6.3% |
| 2016/12 | 36,374 | +8.0% |
| 2015/12 | 33,671 | +5.5% |
| 2014/12 | 31,919 | +1.7% |
| 2013/12 | 31,395 | -13.7% |
| 2012/12 | 36,363 | -1.9% |
| 2011/12 | 37,086 | - |