| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 138,500 | +5.1% |
| 2024/12 | 131,800 | -0.8% |
| 2023/12 | 132,900 | - |
| 2020/12 | 127,021 | +13.7% |
| 2019/12 | 111,744 | +5.4% |
| 2018/12 | 106,021 | +11.6% |
| 2017/12 | 95,030 | +18.0% |
| 2016/12 | 80,529 | +15.0% |
| 2015/12 | 70,025 | -2.0% |
| 2014/12 | 71,455 | +9.8% |
| 2013/12 | 65,053 | +1.4% |
| 2012/12 | 64,167 | +6.1% |
| 2011/12 | 60,457 | +5.1% |
| 2010/12 | 57,496 | - |