| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2023/12 | 133,615 | -1.9% |
| 2022/12 | 136,169 | -1.5% |
| 2021/12 | 138,299 | -8.8% |
| 2020/12 | 151,665 | -4.6% |
| 2019/12 | 158,906 | +13.6% |
| 2018/12 | 139,866 | +23.5% |
| 2017/12 | 113,277 | +4.8% |
| 2016/12 | 108,128 | +2.4% |
| 2015/12 | 105,581 | +9.6% |
| 2014/12 | 96,374 | +16.0% |
| 2013/12 | 83,050 | -3.0% |
| 2012/12 | 85,599 | +29.2% |
| 2011/12 | 66,262 | - |