| （単位：百万） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 5,661 | +9.6% |
| 2024/12 | 5,167 | +12.0% |
| 2023/12 | 4,613 | +6.9% |
| 2022/12 | 4,317 | +12.1% |
| 2021/12 | 3,852 | +3.8% |
| 2020/12 | 3,712 | +9.5% |
| 2019/12 | 3,391 | +4.5% |
| 2018/12 | 3,246 | +2.6% |
| 2017/12 | 3,163 | +41.2% |
| 2016/12 | 2,240 | +10.7% |
| 2015/12 | 2,024 | +28.3% |
| 2014/12 | 1,577 | +15.1% |
| 2013/12 | 1,370 | +13.6% |
| 2012/12 | 1,206 | - |