| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 169,623 | -7.4% |
| 2023/12 | 183,087 | -2.5% |
| 2022/12 | 187,782 | +4.9% |
| 2021/12 | 178,991 | +1.3% |
| 2020/12 | 176,737 | -2.7% |
| 2019/12 | 181,549 | -5.1% |
| 2018/12 | 191,379 | +68.1% |
| 2017/12 | 113,882 | +66.3% |
| 2016/12 | 68,472 | +8.5% |
| 2015/12 | 63,079 | +45.6% |
| 2014/12 | 43,332 | +30.2% |
| 2013/12 | 33,281 | +10.0% |
| 2012/12 | 30,263 | +13.8% |
| 2011/12 | 26,591 | - |