| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 44,737 | -2.1% |
| 2023/12 | 45,674 | -16.5% |
| 2022/12 | 54,674 | +21.0% |
| 2021/12 | 45,184 | -5.2% |
| 2020/12 | 47,682 | -3.9% |
| 2019/12 | 49,625 | -4.3% |
| 2018/12 | 51,850 | -8.4% |
| 2017/12 | 56,614 | -4.5% |
| 2016/12 | 59,262 | +7.3% |
| 2015/12 | 55,219 | +12.6% |
| 2014/12 | 49,058 | +15.9% |
| 2013/12 | 42,318 | +16.7% |
| 2012/12 | 36,261 | +19.3% |
| 2011/12 | 30,406 | - |