| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 321,300 | +16.3% |
| 2023/12 | 276,200 | +4.7% |
| 2022/12 | 263,868 | -3.2% |
| 2021/12 | 272,641 | +4.1% |
| 2020/12 | 261,926 | +10.5% |
| 2019/12 | 237,129 | +18.7% |
| 2018/12 | 199,805 | -1.9% |
| 2017/12 | 203,724 | +43.8% |
| 2016/12 | 141,651 | +64.4% |
| 2015/12 | 86,174 | +18.0% |
| 2014/12 | 73,022 | +20.6% |
| 2013/12 | 60,563 | +20.5% |
| 2012/12 | 50,267 | +4.5% |
| 2011/12 | 48,112 | +52.7% |
| 2010/12 | 31,504 | - |