| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 921,000 | -0.5% |
| 2023/12 | 926,000 | -2.9% |
| 2022/12 | 954,000 | +3.5% |
| 2021/12 | 922,000 | +13.7% |
| 2020/12 | 811,000 | -8.3% |
| 2019/12 | 884,000 | -2.1% |
| 2018/12 | 903,000 | -1.2% |
| 2017/12 | 914,000 | -1.6% |
| 2016/12 | 929,000 | +0.4% |
| 2015/12 | 925,000 | -5.9% |
| 2014/12 | 983,000 | -1.4% |
| 2013/12 | 997,000 | +66.7% |
| 2012/12 | 598,000 | - |