| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 33,600 | +6.0% |
| 2023/12 | 31,700 | +5.0% |
| 2022/12 | 30,200 | -22.0% |
| 2021/12 | 38,700 | +8.1% |
| 2020/12 | 35,800 | +4.7% |
| 2019/12 | 34,200 | -5.8% |
| 2018/12 | 36,300 | +15.2% |
| 2017/12 | 31,500 | +6.8% |
| 2016/12 | 29,500 | +2.8% |
| 2015/12 | 28,700 | +23.7% |
| 2014/12 | 23,200 | +20.8% |
| 2013/12 | 19,200 | +6.7% |
| 2012/12 | 17,991 | +11.2% |
| 2011/12 | 16,177 | - |