| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/9 | 103,200 | -1.7% |
| 2024/9 | 105,000 | +6.5% |
| 2023/9 | 98,600 | -13.3% |
| 2022/9 | 113,700 | - |
| 2020/12 | 137,900 | 0.0% |
| 2019/12 | 137,900 | +0.7% |
| 2018/12 | 136,900 | +12.0% |
| 2017/12 | 122,200 | +35.3% |
| 2016/12 | 90,300 | +15.3% |
| 2015/12 | 78,300 | +0.4% |
| 2014/12 | 78,000 | +6.8% |
| 2013/12 | 73,000 | +13.2% |
| 2012/12 | 64,500 | -0.3% |
| 2011/12 | 64,700 | - |