| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 582,014 | +1.3% |
| 2023/12 | 574,813 | -0.4% |
| 2022/12 | 577,020 | +37.2% |
| 2021/12 | 420,692 | +14.6% |
| 2020/12 | 367,162 | +9.2% |
| 2019/12 | 336,274 | +11.7% |
| 2018/12 | 300,946 | +14.0% |
| 2017/12 | 263,974 | +5.5% |
| 2016/12 | 250,146 | -2.7% |
| 2015/12 | 257,082 | +9.1% |
| 2014/12 | 235,634 | +7.3% |
| 2013/12 | 219,650 | +4.7% |
| 2012/12 | 209,872 | +15.4% |
| 2011/12 | 181,791 | +4.2% |
| 2010/12 | 174,465 | - |