| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 913,000 | -0.3% |
| 2023/12 | 916,000 | +15.8% |
| 2022/12 | 791,000 | 0.0% |
| 2021/12 | 791,000 | +23.0% |
| 2020/12 | 643,000 | +4.4% |
| 2019/12 | 616,000 | +18.2% |
| 2018/12 | 521,000 | +4.0% |
| 2017/12 | 501,000 | -1.2% |
| 2016/12 | 507,000 | -7.3% |
| 2015/12 | 547,000 | -12.8% |
| 2014/12 | 627,000 | -8.3% |
| 2013/12 | 684,000 | +3.5% |
| 2012/12 | 661,000 | -2.9% |
| 2011/12 | 681,000 | +3.5% |
| 2010/12 | 658,000 | - |