退職給付に係る資産の増減額（△は増加）、減損損失、資本剰余金
- 【期間】
| 年度 | 退職給付に係る資産の増減額（△は増加） | 減損損失 | 資本剰余金 |
|---|
| 2007/03 | - | | - | | 90.1億 | |
| 2008/03 | - | | 1.49億 | | 90.1億 | ±0% |
| 2009/03 | - | | 13.3億 | +790.6% | 90.1億 | ±0% |
| 2010/03 | - | | 3.78億 | -71.5% | 90.1億 | ±0% |
| 2011/03 | - | | 2.62億 | -30.7% | 47.1億 | -47.7% |
| 2012/03 | - | | 5.6億 | +113.7% | 47.1億 | ±0% |
| 2013/03 | - | | 4.97億 | -11.3% | 47.1億 | ±0% |
| 2014/03 | - | | 0.57億 | -88.5% | 47.1億 | ±0% |
| 2015/03 | -104百万 | | - | | 47.1億 | ±0% |
| 2016/03 | - | | 4.65億 | +715.8% | 48.6億 | +3.1% |
| 2017/03 | - | | 2.98億 | -35.9% | 49.6億 | +2.2% |
| 2018/03 | - | | 1.9億 | -36.2% | 50億 | +0.8% |
| 2019/03 | - | | 0.67億 | -64.7% | 50.3億 | +0.6% |
| 2020/03 | - | | 2.04億 | +204.5% | 51億 | +1.5% |
| 2021/03 | - | | 0.21億 | -89.7% | 61.1億 | +19.8% |
| 2022/03 | - | | 2.93億 | 大幅増 | 77.7億 | +27.1% |
| 2023/03 | - | | 4.07億 | +38.9% | 78.7億 | +1.3% |
| 2024/03 | - | | - | | 78.8億 | +0.1% |
