| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2023/12 | 115,086 | +0.6% |
| 2023/1 | 117,124 | +2.4% |
| 2022/1 | 114,434 | - |
| 2020/12 | 120,173 | +1.6% |
| 2019/12 | 118,230 | +2.2% |
| 2018/12 | 115,693 | +3.6% |
| 2017/12 | 111,671 | +4.5% |
| 2016/12 | 106,893 | -0.5% |
| 2015/12 | 107,411 | -0.6% |
| 2014/12 | 108,107 | -15.6% |
| 2013/12 | 128,075 | -13.5% |
| 2012/12 | 148,045 | -12.4% |
| 2011/12 | 168,999 | - |