| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 24,652 | -16.1% |
| 2023/12 | 29,387 | +9.6% |
| 2022/12 | 26,816 | +16.2% |
| 2021/12 | 23,085 | +27.4% |
| 2020/12 | 18,114 | +11.5% |
| 2019/12 | 16,240 | +10.6% |
| 2018/12 | 14,683 | +15.0% |
| 2017/12 | 12,767 | -33.8% |
| 2016/12 | 19,276 | -18.6% |
| 2015/12 | 23,680 | -15.6% |
| 2014/12 | 28,070 | +14.2% |
| 2013/12 | 24,572 | +36.5% |
| 2012/12 | 18,000 | -62.3% |
| 2011/12 | 47,700 | - |