| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 65,503 | +9.1% |
| 2023/12 | 60,022 | +5.9% |
| 2022/12 | 56,661 | +1.0% |
| 2021/12 | 56,082 | +4.6% |
| 2020/12 | 53,606 | -15.6% |
| 2019/12 | 63,487 | +10.5% |
| 2018/12 | 57,437 | -14.0% |
| 2017/12 | 66,807 | +43.7% |
| 2016/12 | 46,485 | +8.6% |
| 2015/12 | 42,803 | +26.8% |
| 2014/12 | 33,756 | -9.2% |
| 2013/12 | 37,172 | +13.4% |
| 2012/12 | 32,788 | +30.3% |
| 2011/12 | 25,163 | - |