| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 65,300 | +8.1% |
| 2023/12 | 60,400 | +10.4% |
| 2022/12 | 54,700 | +8.5% |
| 2021/12 | 50,400 | +12.5% |
| 2020/12 | 44,800 | +8.0% |
| 2019/12 | 41,500 | +14.0% |
| 2018/12 | 36,400 | +21.3% |
| 2017/12 | 30,000 | +57.1% |
| 2016/12 | 19,100 | +55.3% |
| 2015/12 | 12,300 | -18.0% |
| 2014/12 | 15,000 | +5.6% |
| 2013/12 | 14,200 | +7.6% |
| 2012/12 | 13,200 | -41.3% |
| 2011/12 | 22,500 | - |