| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 74,989 | +2.1% |
| 2024/12 | 73,433 | +1.7% |
| 2023/12 | 72,240 | -12.3% |
| 2022/12 | 82,390 | +4.2% |
| 2021/12 | 79,056 | +15.5% |
| 2020/12 | 68,463 | +5.8% |
| 2019/12 | 64,730 | +10.1% |
| 2018/12 | 58,791 | +6.2% |
| 2017/12 | 55,343 | +109.8% |
| 2016/12 | 26,385 | -0.4% |
| 2015/12 | 26,478 | -5.6% |
| 2014/12 | 28,054 | -8.3% |
| 2013/12 | 30,587 | -17.3% |
| 2012/12 | 36,974 | -9.1% |
| 2011/12 | 40,657 | -0.2% |
| 2010/12 | 40,735 | - |