| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 367,511 | +4.9% |
| 2023/12 | 350,408 | -1.0% |
| 2022/12 | 353,890 | +2.6% |
| 2021/12 | 345,062 | -5.6% |
| 2020/12 | 365,654 | -4.7% |
| 2019/12 | 383,490 | -15.8% |
| 2018/12 | 455,212 | -8.0% |
| 2017/12 | 494,758 | -6.6% |
| 2016/12 | 529,802 | -28.1% |
| 2015/12 | 736,516 | +35.3% |
| 2014/12 | 544,512 | +90.5% |
| 2013/12 | 285,811 | +5.7% |
| 2012/12 | 270,362 | -4.1% |
| 2011/12 | 281,933 | -6.4% |
| 2010/12 | 301,304 | - |