| （単位：百万円） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 351,372 | -2.2% |
| 2024/12 | 359,230 | +12.4% |
| 2023/12 | 319,608 | +9.2% |
| 2022/12 | 292,560 | +44.0% |
| 2021/12 | 203,184 | +16.7% |
| 2020/12 | 174,098 | +28.4% |
| 2019/12 | 135,629 | +46.1% |
| 2019/3 | 106,899 | +15.2% |
| 2018/3 | 92,805 | +1.8% |
| 2017/3 | 91,159 | +5.0% |
| 2016/3 | 86,791 | +65.3% |
| 2015/3 | 52,520 | +3.2% |
| 2014/3 | 50,916 | -1.9% |
| 2013/3 | 51,915 | - |