| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 143,437 | -6.9% |
| 2023/12 | 154,079 | -3.1% |
| 2022/12 | 159,072 | +17.3% |
| 2021/12 | 135,624 | +66.1% |
| 2020/12 | 81,657 | +6.5% |
| 2019/12 | 76,672 | +24.1% |
| 2018/12 | 61,759 | +14.5% |
| 2017/12 | 53,925 | +7.2% |
| 2016/12 | 50,301 | +157.0% |
| 2015/12 | 19,574 | +34.0% |
| 2014/12 | 14,605 | +5.9% |
| 2013/12 | 13,786 | +8.5% |
| 2012/12 | 12,711 | +19.1% |
| 2011/12 | 10,676 | - |