| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 13,629 | +2.2% |
| 2023/12 | 13,335 | +5.7% |
| 2022/12 | 12,620 | +6.2% |
| 2021/12 | 11,885 | +6.7% |
| 2020/12 | 11,143 | +3.1% |
| 2019/12 | 10,803 | +5.0% |
| 2018/12 | 10,288 | +7.7% |
| 2017/12 | 9,555 | +4.0% |
| 2016/12 | 9,188 | +4.0% |
| 2015/12 | 8,837 | +1.9% |
| 2014/12 | 8,673 | +5.1% |
| 2013/12 | 8,251 | +4.0% |
| 2012/12 | 7,930 | +7.0% |
| 2011/12 | 7,410 | - |