| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 269,517 | -62.4% |
| 2023/12 | 716,309 | +1.2% |
| 2022/12 | 707,576 | +1.1% |
| 2021/12 | 700,161 | -3.0% |
| 2020/12 | 721,970 | +3.6% |
| 2019/12 | 697,078 | +3.7% |
| 2018/12 | 672,113 | +4.5% |
| 2017/12 | 643,100 | +0.8% |
| 2016/12 | 638,189 | -3.3% |
| 2015/12 | 660,021 | +5.3% |
| 2014/12 | 627,072 | +17.6% |
| 2013/12 | 533,334 | +30.6% |
| 2012/12 | 408,467 | +32.1% |
| 2011/12 | 309,146 | +10.9% |
| 2010/12 | 278,727 | - |