| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 214,000 | -2.3% |
| 2023/12 | 219,000 | +1.9% |
| 2022/12 | 215,000 | -2.3% |
| 2021/12 | 220,000 | +3.3% |
| 2020/12 | 213,000 | -3.2% |
| 2019/12 | 220,000 | -10.9% |
| 2018/12 | 247,000 | +18.2% |
| 2017/12 | 209,000 | +6.6% |
| 2016/12 | 196,000 | +1.0% |
| 2015/12 | 194,000 | -0.5% |
| 2014/12 | 195,000 | +0.5% |
| 2013/12 | 194,000 | -8.1% |
| 2012/12 | 211,000 | 0.0% |
| 2011/12 | 211,000 | +36.1% |
| 2010/12 | 155,000 | - |