| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 1,469 | +0.7% |
| 2023/12 | 1,459 | +10.5% |
| 2022/12 | 1,320 | -6.3% |
| 2021/12 | 1,408 | -0.2% |
| 2020/12 | 1,411 | +0.6% |
| 2019/12 | 1,402 | +3.7% |
| 2018/12 | 1,352 | +1.3% |
| 2017/12 | 1,335 | -6.5% |
| 2016/12 | 1,428 | -2.3% |
| 2015/12 | 1,462 | +7.1% |
| 2014/12 | 1,365 | +6.1% |
| 2013/12 | 1,287 | -16.6% |
| 2012/12 | 1,544 | -12.7% |
| 2011/12 | 1,768 | - |