| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 60,112 | -18.8% |
| 2023/12 | 74,060 | -4.6% |
| 2022/12 | 77,623 | -1.1% |
| 2021/12 | 78,500 | +8.3% |
| 2020/12 | 72,508 | +0.1% |
| 2019/12 | 72,425 | +12.7% |
| 2018/12 | 64,268 | +4.4% |
| 2017/12 | 61,552 | +9.0% |
| 2016/12 | 56,444 | +30.1% |
| 2015/12 | 43,390 | +37.5% |
| 2014/12 | 31,552 | +36.1% |
| 2013/12 | 23,184 | +54.0% |
| 2012/12 | 15,056 | +88.5% |
| 2011/12 | 7,987 | - |