| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 65,700 | +0.3% |
| 2023/12 | 65,501 | -5.0% |
| 2022/12 | 68,973 | +10.1% |
| 2021/12 | 62,661 | +7.8% |
| 2020/12 | 58,117 | +27.9% |
| 2019/12 | 45,423 | +11.3% |
| 2018/12 | 40,802 | +11.5% |
| 2017/12 | 36,599 | +13.8% |
| 2016/12 | 32,159 | +7.3% |
| 2015/12 | 29,972 | +13.9% |
| 2014/12 | 26,316 | +9.8% |
| 2013/12 | 23,965 | +6.5% |
| 2012/12 | 22,510 | +11.7% |
| 2011/12 | 20,153 | - |