| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 170,793 | -1.0% |
| 2023/12 | 172,502 | +19.7% |
| 2022/12 | 144,153 | +9.0% |
| 2021/12 | 132,199 | +2.5% |
| 2020/12 | 128,921 | +2.0% |
| 2019/12 | 126,394 | +30.7% |
| 2018/12 | 96,729 | +13.4% |
| 2017/12 | 85,294 | +18.5% |
| 2016/12 | 71,984 | +5.3% |
| 2015/12 | 68,333 | -12.4% |
| 2014/12 | 78,012 | -0.8% |
| 2013/12 | 78,645 | +35.5% |
| 2012/12 | 58,052 | +3.7% |
| 2011/12 | 56,005 | - |