| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | -1,000 | -109.1% |
| 2023/12 | 11,000 | -74.6% |
| 2022/12 | 43,300 | -18.8% |
| 2021/12 | 53,300 | +16.4% |
| 2020/12 | 45,800 | +15.1% |
| 2019/12 | 39,800 | -8.3% |
| 2018/12 | 43,400 | -30.2% |
| 2017/12 | 62,200 | +20.8% |
| 2016/12 | 51,500 | +80.7% |
| 2015/12 | 28,500 | -3.7% |
| 2014/12 | 29,600 | -28.0% |
| 2013/12 | 41,100 | +5.9% |
| 2012/12 | 38,800 | +38.1% |
| 2011/12 | 28,100 | +31.3% |
| 2010/12 | 21,400 | - |