| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 349,828 | +0.5% |
| 2023/12 | 348,064 | -0.7% |
| 2022/12 | 350,665 | +15.4% |
| 2021/12 | 303,799 | +4.6% |
| 2020/12 | 290,353 | +8.3% |
| 2019/12 | 268,045 | +7.3% |
| 2018/12 | 249,882 | +3.3% |
| 2017/12 | 241,862 | +13.5% |
| 2016/12 | 213,156 | +5.8% |
| 2015/12 | 201,482 | -0.3% |
| 2014/12 | 202,108 | +1.3% |
| 2013/12 | 199,558 | +18.3% |
| 2012/12 | 168,687 | +24.5% |
| 2011/12 | 135,467 | +31.7% |
| 2010/12 | 102,898 | - |