| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 175,000 | +14.4% |
| 2023/12 | 153,000 | +4.8% |
| 2022/12 | 146,000 | -11.0% |
| 2021/12 | 164,000 | +12.3% |
| 2020/12 | 146,000 | +30.4% |
| 2019/12 | 112,000 | -18.2% |
| 2018/12 | 137,000 | -45.8% |
| 2017/12 | 253,000 | -18.1% |
| 2016/12 | 309,000 | -58.6% |
| 2015/12 | 747,000 | +1.1% |
| 2014/12 | 739,000 | +2.5% |
| 2013/12 | 721,000 | +11.8% |
| 2012/12 | 645,000 | +2.7% |
| 2011/12 | 628,000 | +6.6% |
| 2010/12 | 589,000 | - |