| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 69,913 | -10.1% |
| 2023/12 | 77,792 | -1.0% |
| 2022/12 | 78,571 | +0.5% |
| 2021/12 | 78,193 | -3.5% |
| 2020/12 | 81,041 | +5.1% |
| 2019/12 | 77,094 | +16.6% |
| 2018/12 | 66,108 | +15.9% |
| 2017/12 | 57,053 | +8.2% |
| 2016/12 | 52,753 | +10.4% |
| 2015/12 | 47,793 | - |
| 2013/12 | 33,385 | +27.2% |
| 2012/12 | 26,248 | +10.3% |
| 2011/12 | 23,805 | +7.6% |
| 2010/12 | 22,125 | - |