| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 38,067 | +6.5% |
| 2023/12 | 35,756 | -10.3% |
| 2022/12 | 39,882 | -12.9% |
| 2021/12 | 45,813 | +10.9% |
| 2020/12 | 41,325 | +4.8% |
| 2019/12 | 39,420 | +1.2% |
| 2018/12 | 38,940 | +1.2% |
| 2017/12 | 38,471 | +5.1% |
| 2016/12 | 36,613 | -1.2% |
| 2015/12 | 37,056 | +2.7% |
| 2014/12 | 36,072 | -2.9% |
| 2013/12 | 37,153 | +26.9% |
| 2012/12 | 29,275 | +15.8% |
| 2011/12 | 25,273 | -1.5% |
| 2010/12 | 25,646 | - |