| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 69,810 | -1.6% |
| 2023/12 | 70,923 | -2.2% |
| 2022/12 | 72,506 | -5.0% |
| 2021/12 | 76,320 | +3.1% |
| 2020/12 | 73,991 | -3.5% |
| 2019/12 | 76,650 | -7.7% |
| 2018/12 | 83,003 | +16.0% |
| 2017/12 | 71,564 | -1.2% |
| 2016/12 | 72,397 | +1.4% |
| 2015/12 | 71,365 | +29.9% |
| 2014/12 | 54,924 | +57.3% |
| 2013/12 | 34,923 | +4.5% |
| 2012/12 | 33,412 | +1.7% |
| 2011/12 | 32,850 | +10.9% |
| 2010/12 | 29,616 | - |