| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 55,221 | +9.8% |
| 2023/12 | 50,280 | -10.4% |
| 2022/12 | 56,102 | +13.0% |
| 2021/12 | 49,656 | -1.7% |
| 2020/12 | 50,513 | -3.2% |
| 2019/12 | 52,193 | +7.1% |
| 2018/12 | 48,719 | +25.0% |
| 2017/12 | 38,984 | +12.7% |
| 2016/12 | 34,580 | +9.9% |
| 2015/12 | 31,465 | +12.3% |
| 2014/12 | 28,028 | +12.5% |
| 2013/12 | 24,917 | -2.8% |
| 2012/12 | 25,623 | +11.4% |
| 2011/12 | 22,994 | - |