投資有価証券、退職給付引当金の増減額（△は減少）
- 【期間】
| 年度 | 投資有価証券 | 退職給付引当金の増減額（△は減少） |
|---|
| 2008/03 | 7.27億 | | 12百万 | |
| 2009/03 | 5.9億 | -18.9% | -4.5百万 | 赤転 |
| 2009/12 | - | | 4.7百万 | 黒転 |
| 2010/03 | 7.04億 | +19.3% | 9.1百万 | +93.8% |
| 2010/09 | - | | 3.2百万 | -64.3% |
| 2010/12 | 7.15億 | +1.7% | 3.4百万 | +3.6% |
| 2011/03 | 7.04億 | -1.6% | 5.5百万 | +63.6% |
| 2011/06 | 6.77億 | -3.8% | - | |
| 2011/09 | 7.04億 | +3.9% | -0.26百万 | 赤転 |
| 2011/12 | 7.26億 | +3.1% | - | |
| 2012/03 | 7.75億 | +6.8% | -0.51百万 | 赤拡 |
| 2012/06 | 7.67億 | -1% | - | |
| 2012/09 | 7.93億 | +3.4% | 1百万 | 黒転 |
| 2012/12 | 8.67億 | +9.3% | - | |
| 2013/03 | 9.61億 | +10.8% | 7.1百万 | +596% |
| 2013/06 | 9.95億 | +3.6% | - | |
| 2013/09 | 10.5億 | +5.6% | -2百万 | 赤転 |
| 2013/12 | 10.2億 | -2.8% | - | |
| 2014/03 | 10.7億 | +5.2% | 0.55百万 | 黒転 |
| 2014/06 | 11.1億 | +3.5% | - | |
| 2014/09 | 11.8億 | +5.8% | - | |
| 2014/12 | 12.4億 | +5.2% | - | |
| 2015/03 | 12.3億 | -0.7% | - | |
| 2015/06 | 12.1億 | -1.2% | - | |
| 2015/09 | 11.8億 | -2.6% | - | |
| 2015/12 | 12.4億 | +4.8% | - | |
| 2016/03 | 11.8億 | -4.6% | - | |
| 2016/06 | 11.2億 | -5.7% | - | |
| 2016/09 | 11.3億 | +1.3% | - | |
| 2016/12 | 11.9億 | +5.5% | - | |
| 2017/03 | 12億 | +0.6% | - | |
| 2017/06 | 12.1億 | +0.8% | - | |
| 2017/09 | 12.4億 | +2.4% | - | |
| 2017/12 | 13.5億 | +8.8% | - | |
| 2018/03 | 4.93億 | -63.4% | - | |
| 2018/06 | 4.57億 | -7.3% | - | |
| 2018/09 | 4.58億 | +0.4% | - | |
| 2018/12 | 3.9億 | -14.9% | - | |
| 2019/03 | 3.74億 | -4% | - | |
| 2019/06 | 3.86億 | +3.1% | - | |
| 2019/09 | 3.95億 | +2.2% | - | |
| 2019/12 | 4.25億 | +7.8% | - | |
| 2020/03 | 3.12億 | -26.7% | - | |
| 2020/06 | 3.53億 | +13.1% | - | |
| 2020/09 | 3.92億 | +11.2% | - | |
| 2020/12 | 3.91億 | -0.2% | - | |
| 2021/03 | 4.43億 | +13.4% | - | |
| 2021/06 | 4.54億 | +2.4% | - | |
| 2021/09 | 4.94億 | +8.8% | - | |
| 2021/12 | 4.46億 | -9.8% | - | |
| 2022/03 | 4.55億 | +2% | - | |
| 2022/06 | 4.53億 | -0.4% | - | |
| 2022/09 | 4.52億 | -0.3% | - | |
| 2022/12 | 4.74億 | +4.9% | - | |
| 2023/03 | 4.61億 | -2.7% | - | |
| 2023/06 | 4.93億 | +7% | - | |
| 2023/09 | 5.21億 | +5.7% | - | |
| 2023/12 | 4.89億 | -6.2% | - | |
| 2024/03 | 5.46億 | +11.7% | - | |
| 2024/06 | 5.44億 | -0.4% | - | |
| 2024/09 | 5.66億 | +4% | - | |
