| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 415,359 | +13.8% |
| 2024/12 | 365,045 | +15.9% |
| 2023/12 | 314,897 | +6.5% |
| 2022/12 | 295,587 | +2.6% |
| 2021/12 | 288,092 | -0.2% |
| 2020/12 | 288,648 | +12.2% |
| 2019/12 | 257,149 | +41.8% |
| 2018/12 | 181,382 | -7.8% |
| 2017/12 | 196,745 | +100.9% |
| 2016/12 | 97,948 | -27.7% |
| 2015/12 | 135,416 | -3.3% |
| 2014/12 | 140,018 | +83.6% |
| 2013/12 | 76,277 | +75.1% |
| 2012/12 | 43,559 | - |