| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 144,426 | -12.4% |
| 2023/12 | 164,937 | -7.8% |
| 2022/12 | 178,935 | -2.5% |
| 2021/6 | 183,569 | +4.6% |
| 2020/6 | 175,434 | +7.6% |
| 2019/6 | 163,056 | -0.4% |
| 2018/6 | 163,696 | +2.5% |
| 2017/6 | 159,636 | +13.1% |
| 2016/6 | 141,108 | +50.9% |
| 2015/6 | 93,486 | +2.3% |
| 2014/6 | 91,342 | +7.4% |
| 2013/6 | 85,020 | +13.4% |
| 2012/6 | 75,001 | +11.3% |
| 2011/6 | 67,399 | - |