| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 57,729 | -12.8% |
| 2023/12 | 66,190 | -13.2% |
| 2022/12 | 76,245 | -8.6% |
| 2021/12 | 83,438 | -4.7% |
| 2020/12 | 87,557 | -4.6% |
| 2019/12 | 91,790 | -3.8% |
| 2018/12 | 95,371 | +3.1% |
| 2017/12 | 92,545 | +6.7% |
| 2016/12 | 86,695 | +12.0% |
| 2015/12 | 77,374 | +19.8% |
| 2014/12 | 64,579 | +11.0% |
| 2013/12 | 58,200 | +4.9% |
| 2012/12 | 55,468 | +0.4% |
| 2011/12 | 55,272 | - |