| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 289,000 | +4.0% |
| 2023/12 | 278,000 | -1.1% |
| 2022/12 | 281,000 | -5.1% |
| 2021/12 | 296,000 | +4.6% |
| 2020/12 | 283,000 | +4.8% |
| 2019/12 | 270,000 | -21.3% |
| 2018/12 | 343,000 | +7.5% |
| 2017/12 | 319,000 | -26.2% |
| 2016/12 | 432,000 | +8.3% |
| 2015/12 | 399,000 | -10.3% |
| 2014/12 | 445,000 | -0.7% |
| 2013/12 | 448,000 | +3.7% |
| 2012/12 | 432,000 | -1.6% |
| 2011/12 | 439,000 | +8.4% |
| 2010/12 | 405,000 | - |