| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 31,413 | +8.2% |
| 2023/12 | 29,022 | +2.6% |
| 2022/12 | 28,298 | +3.9% |
| 2021/12 | 27,243 | +3.5% |
| 2020/12 | 26,323 | +2.0% |
| 2019/12 | 25,809 | +7.1% |
| 2018/12 | 24,104 | +0.8% |
| 2017/12 | 23,916 | +16.9% |
| 2016/12 | 20,457 | +16.0% |
| 2015/12 | 17,637 | +2.0% |
| 2014/12 | 17,295 | -1.7% |
| 2013/12 | 17,595 | +6.9% |
| 2012/12 | 16,466 | +16.4% |
| 2011/12 | 14,145 | - |