| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 371,786 | -3.2% |
| 2023/12 | 384,060 | -4.3% |
| 2022/12 | 401,108 | -17.5% |
| 2021/12 | 485,965 | -2.6% |
| 2020/12 | 498,908 | +16.4% |
| 2019/12 | 428,448 | +6.3% |
| 2018/12 | 403,077 | +4.2% |
| 2017/12 | 386,659 | +8.2% |
| 2016/12 | 357,342 | +8.4% |
| 2015/12 | 329,776 | +4.4% |
| 2014/12 | 315,878 | +5.5% |
| 2013/12 | 299,323 | +14.8% |
| 2012/12 | 260,831 | +14.2% |
| 2011/12 | 228,342 | -4.1% |
| 2010/12 | 238,089 | - |