| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 60,741 | +4.3% |
| 2023/12 | 58,254 | -1.8% |
| 2022/12 | 59,350 | +9.5% |
| 2021/12 | 54,215 | +0.6% |
| 2020/12 | 53,871 | +4.6% |
| 2019/12 | 51,505 | +6.9% |
| 2018/12 | 48,169 | +4.1% |
| 2017/12 | 46,292 | -5.1% |
| 2016/12 | 48,775 | -0.4% |
| 2015/12 | 48,981 | +41.1% |
| 2014/12 | 34,710 | +90.2% |
| 2013/12 | 18,249 | +27.9% |
| 2012/12 | 14,273 | +19.2% |
| 2011/12 | 11,971 | - |