| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 189,900 | -0.3% |
| 2024/12 | 190,400 | +3.0% |
| 2023/12 | 184,900 | +11.0% |
| 2022/12 | 166,600 | +10.6% |
| 2021/12 | 150,700 | +8.0% |
| 2020/12 | 139,500 | +18.5% |
| 2019/12 | 117,700 | +21.7% |
| 2018/12 | 96,700 | +6.0% |
| 2017/12 | 91,200 | +29.0% |
| 2016/12 | 70,700 | +9.8% |
| 2015/12 | 64,400 | +17.3% |
| 2014/12 | 54,886 | +20.1% |
| 2013/12 | 45,693 | +6.0% |
| 2012/12 | 43,096 | +0.4% |
| 2011/12 | 42,913 | +8.2% |
| 2010/12 | 39,664 | - |