| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 33,814 | -5.6% |
| 2024/12 | 35,808 | -4.6% |
| 2023/12 | 37,528 | -4.8% |
| 2022/12 | 39,425 | -2.6% |
| 2021/12 | 40,488 | +24.2% |
| 2020/12 | 32,594 | +5.6% |
| 2019/12 | 30,864 | +15.4% |
| 2018/12 | 26,754 | +44.8% |
| 2017/12 | 18,474 | +5.7% |
| 2016/12 | 17,485 | +23.8% |
| 2015/12 | 14,126 | +26.8% |
| 2014/12 | 11,138 | +47.2% |
| 2013/12 | 7,569 | +24.5% |
| 2012/12 | 6,080 | - |