| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/6 | 264,000 | -48.5% |
| 2023/6 | 513,000 | +13.7% |
| 2022/7 | 451,000 | +13.6% |
| 2021/7 | 397,000 | +4.7% |
| 2020/7 | 379,000 | -29.9% |
| 2019/6 | 541,000 | -9.5% |
| 2018/6 | 598,000 | -20.2% |
| 2017/6 | 749,000 | -8.1% |
| 2016/7 | 815,000 | -3.1% |
| 2015/7 | 841,000 | -4.3% |
| 2014/6 | 879,000 | +0.7% |
| 2013/6 | 873,000 | +7.2% |
| 2012/6 | 814,000 | +8.0% |
| 2011/7 | 754,000 | - |