| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 50,502 | +4.3% |
| 2023/12 | 48,430 | -1.1% |
| 2022/12 | 48,969 | -2.6% |
| 2021/12 | 50,272 | -1.7% |
| 2020/12 | 51,126 | +10.3% |
| 2019/12 | 46,333 | +1.0% |
| 2018/12 | 45,861 | +0.4% |
| 2017/12 | 45,694 | +2.9% |
| 2016/12 | 44,417 | +2.7% |
| 2015/12 | 43,270 | +5.0% |
| 2014/12 | 41,203 | -16.1% |
| 2013/12 | 49,130 | +22.2% |
| 2012/12 | 40,189 | +13.5% |
| 2011/12 | 35,400 | - |