| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 543,700 | +12.6% |
| 2024/12 | 482,900 | +14.7% |
| 2023/12 | 421,000 | +23.3% |
| 2022/12 | 341,400 | +19.3% |
| 2021/12 | 286,200 | +21.3% |
| 2020/12 | 235,900 | +12.2% |
| 2019/12 | 210,300 | +41.9% |
| 2018/12 | 148,200 | +1.9% |
| 2017/12 | 145,467 | +38.9% |
| 2016/12 | 104,745 | +39.8% |
| 2015/12 | 74,909 | +42.2% |
| 2014/12 | 52,686 | +27.9% |
| 2013/12 | 41,204 | +11.5% |
| 2012/12 | 36,940 | - |
| 2010/12 | 19,687 | - |