減損損失、繰越利益剰余金、退職給付信託関連損益（△は益）
- 【期間】
| 年度 | 減損損失 | 繰越利益剰余金 | 退職給付信託関連損益（△は益） |
|---|
| 2007/03 | - | | 1.25兆 | | - | |
| 2008/03 | 27億 | | 1.58兆 | +27% | - | |
| 2009/03 | 109億 | +303.9% | 1.68兆 | +6.2% | - | |
| 2010/03 | 47.4億 | -56.5% | 1.55兆 | -7.6% | - | |
| 2011/03 | 35.5億 | -25.2% | 1.44兆 | -7.6% | - | |
| 2012/03 | 70.7億 | +99.3% | 1.23兆 | -14.4% | 14.2億 | |
| 2013/03 | 119億 | +68.6% | 1.32兆 | +7.2% | - | |
| 2014/03 | 65.1億 | -45.4% | 1.42兆 | +7.3% | - | |
| 2015/03 | 114億 | +74.6% | 1.59兆 | +12.3% | - | |
| 2016/03 | 44.1億 | -61.2% | 1.7兆 | +6.9% | - | |
| 2017/03 | 66.5億 | +50.7% | 1.84兆 | +8% | - | |
| 2018/03 | 69.6億 | +4.6% | 1.9兆 | +3.6% | - | |
| 2019/03 | 5036億 | 大幅増 | 2.07兆 | +8.6% | - | |
| 2020/03 | 152億 | -97% | 1.91兆 | -7.6% | - | |
| 2021/03 | 128億 | -16% | 1.95兆 | +1.9% | - | |
| 2022/03 | 276億 | +115.6% | 2.15兆 | +10.7% | - | |
| 2023/03 | 515億 | +86.9% | 2.21兆 | +2.6% | - | |
