| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 66,351 | -10.4% |
| 2023/12 | 74,043 | +22.6% |
| 2022/12 | 67,401 | +9.5% |
| 2022/1 | 60,394 | -1.9% |
| 2021/1 | 61,563 | - |
| 2019/12 | 61,866 | -0.2% |
| 2018/12 | 61,966 | +1.1% |
| 2017/12 | 61,291 | +28.7% |
| 2016/12 | 57,172 | +43.6% |
| 2016/1 | 47,630 | +19.6% |
| 2015/1 | 39,809 | - |
| 2013/12 | 30,811 | +51.0% |
| 2012/12 | 20,401 | +50.6% |
| 2011/12 | 13,543 | - |