| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 43,500 | +10.7% |
| 2023/12 | 39,300 | -2.0% |
| 2022/12 | 40,100 | -6.1% |
| 2021/12 | 42,700 | -7.2% |
| 2020/12 | 46,000 | -3.4% |
| 2019/12 | 47,600 | -4.0% |
| 2018/12 | 49,600 | -1.6% |
| 2017/12 | 50,400 | +32.3% |
| 2016/12 | 38,100 | +8.2% |
| 2015/12 | 35,200 | +21.0% |
| 2014/12 | 29,100 | +42.6% |
| 2013/12 | 20,400 | +77.4% |
| 2012/12 | 11,500 | -20.1% |
| 2011/12 | 14,400 | - |