| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 594,663 | -5.8% |
| 2023/12 | 631,508 | +3.1% |
| 2022/12 | 612,702 | +8.7% |
| 2021/12 | 563,582 | +10.4% |
| 2020/12 | 510,396 | -2.6% |
| 2019/12 | 524,177 | -8.4% |
| 2018/12 | 571,961 | -1.7% |
| 2017/12 | 581,940 | +4.8% |
| 2016/12 | 555,186 | +12.3% |
| 2015/12 | 494,200 | +6.3% |
| 2014/12 | 464,706 | +13.2% |
| 2013/12 | 410,346 | +10.8% |
| 2012/12 | 370,479 | +10.4% |
| 2011/12 | 335,644 | +3.7% |
| 2010/12 | 323,608 | - |