| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 155,228 | +0.1% |
| 2023/12 | 155,105 | -3.3% |
| 2022/12 | 160,433 | -0.9% |
| 2021/12 | 161,922 | +51.1% |
| 2020/12 | 107,155 | +23.2% |
| 2019/12 | 86,986 | +35.9% |
| 2018/12 | 63,987 | +13.6% |
| 2017/12 | 56,343 | -3.8% |
| 2016/12 | 58,581 | +12.8% |
| 2015/12 | 51,952 | +5.9% |
| 2014/12 | 49,070 | +2.7% |
| 2013/12 | 47,762 | -3.2% |
| 2012/12 | 49,332 | +23.1% |
| 2011/12 | 40,069 | - |