| （単位：千円） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2026/5 | 513,064 | -6.5% |
| 2025/5 | 548,835 | +7.2% |
| 2024/5 | 512,117 | +12.7% |
| 2023/5 | 454,596 | +27.4% |
| 2022/5 | 356,884 | +45.7% |
| 2021/5 | 244,895 | +2.4% |
| 2020/5 | 239,162 | -16.9% |
| 2019/5 | 287,907 | +26.6% |
| 2018/5 | 227,338 | +1.1% |
| 2017/5 | 224,886 | +0.9% |
| 2016/5 | 222,835 | +8.0% |
| 2015/5 | 206,304 | +4.0% |
| 2014/5 | 198,330 | -6.9% |
| 2013/5 | 213,010 | - |