| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 76,571 | +7.9% |
| 2024/12 | 72,745 | +3.4% |
| 2024/1 | 70,992 | +0.9% |
| 2023/1 | 70,385 | - |
| 2021/12 | 72,753 | -0.5% |
| 2020/12 | 73,124 | +3.8% |
| 2019/12 | 72,006 | +4.9% |
| 2019/1 | 70,439 | +2.6% |
| 2018/1 | 68,665 | +6.8% |
| 2017/1 | 64,275 | - |
| 2015/12 | 59,417 | +7.3% |
| 2014/12 | 55,387 | +34.0% |
| 2013/12 | 49,007 | +43.8% |
| 2013/1 | 41,347 | +21.3% |
| 2012/1 | 34,075 | - |