| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 397,985 | -7.4% |
| 2023/12 | 429,970 | -8.5% |
| 2022/12 | 469,805 | +134.4% |
| 2021/12 | 200,460 | +55.8% |
| 2020/12 | 128,648 | -2.6% |
| 2019/12 | 132,098 | -13.2% |
| 2018/12 | 152,163 | -11.6% |
| 2017/12 | 172,091 | -1.4% |
| 2016/12 | 174,564 | +4.3% |
| 2015/12 | 167,312 | +38.3% |
| 2014/12 | 120,998 | +122.1% |
| 2013/12 | 54,479 | +34.9% |
| 2012/12 | 40,372 | +8.9% |
| 2011/12 | 37,068 | - |