| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 24,291 | -2.0% |
| 2023/12 | 24,789 | +4.2% |
| 2022/12 | 23,781 | +4.2% |
| 2021/12 | 22,832 | -0.6% |
| 2020/12 | 22,964 | +4.3% |
| 2019/12 | 22,026 | -8.8% |
| 2018/12 | 24,155 | +15.1% |
| 2017/12 | 20,993 | +15.6% |
| 2016/12 | 18,164 | +10.9% |
| 2015/12 | 16,384 | +11.7% |
| 2014/12 | 14,662 | +21.7% |
| 2013/12 | 12,043 | +20.8% |
| 2012/12 | 9,966 | +3.1% |
| 2011/12 | 9,662 | - |