| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 643,500 | +11.5% |
| 2023/12 | 577,300 | -8.9% |
| 2022/12 | 633,900 | -14.9% |
| 2021/12 | 745,100 | +19.3% |
| 2020/12 | 624,700 | +8.2% |
| 2019/12 | 577,200 | +4.5% |
| 2018/12 | 552,100 | +3.5% |
| 2017/12 | 533,200 | +6.8% |
| 2016/12 | 499,200 | +9.0% |
| 2015/12 | 457,800 | +86.5% |
| 2014/12 | 245,500 | +6.7% |
| 2013/12 | 230,100 | +0.1% |
| 2012/12 | 229,800 | -0.7% |
| 2011/12 | 231,400 | - |