| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 76,230 | +11.0% |
| 2024/12 | 68,666 | +3.3% |
| 2023/12 | 66,465 | +10.4% |
| 2022/12 | 60,190 | +7.0% |
| 2021/12 | 56,231 | -13.7% |
| 2020/12 | 65,168 | -10.5% |
| 2019/12 | 72,824 | +5.6% |
| 2018/12 | 68,976 | -3.9% |
| 2017/12 | 71,776 | -6.0% |
| 2016/12 | 76,330 | -4.1% |
| 2015/12 | 79,556 | +116.7% |
| 2014/12 | 36,714 | -73.9% |
| 2013/12 | 140,743 | +1.2% |
| 2012/12 | 139,063 | +2.1% |
| 2011/12 | 136,203 | +17.8% |
| 2010/12 | 115,663 | - |