| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 24,169 | +1.4% |
| 2023/12 | 23,827 | +7.3% |
| 2022/12 | 22,199 | +6.2% |
| 2021/12 | 20,898 | +6.6% |
| 2020/12 | 19,611 | +11.3% |
| 2019/12 | 17,617 | +0.1% |
| 2018/12 | 17,603 | +6.4% |
| 2017/12 | 16,549 | +2.5% |
| 2016/12 | 16,141 | +0.7% |
| 2015/12 | 16,033 | +7.6% |
| 2014/12 | 14,903 | +2.8% |
| 2013/12 | 14,498 | -3.6% |
| 2012/12 | 15,044 | +9.2% |
| 2011/12 | 13,781 | - |