構築物（純額）、退職給付引当金
- 【期間】
| 年度 | 構築物（純額） | 退職給付引当金 |
|---|
| 2008/03 | 57億 | | 1404億 | |
| 2009/03 | 57.3億 | +0.5% | 1378億 | -1.9% |
| 2010/03 | 61.2億 | +6.8% | 1352億 | -1.9% |
| 2010/12 | - | | 1337億 | -1.1% |
| 2011/03 | 56.6億 | -7.4% | 1323億 | -1% |
| 2011/06 | - | | 1322億 | -0.1% |
| 2011/09 | - | | 1305億 | -1.3% |
| 2011/12 | - | | 1303億 | -0.1% |
| 2012/03 | 60.9億 | +7.6% | 1290億 | -1% |
| 2012/06 | - | | 1298億 | +0.6% |
| 2012/09 | - | | 1292億 | -0.5% |
| 2012/12 | - | | 1295億 | +0.2% |
| 2013/03 | 57.5億 | -5.6% | 1154億 | -10.9% |
| 2013/06 | - | | 1174億 | +1.7% |
| 2013/09 | - | | 1190億 | +1.3% |
| 2013/12 | - | | 1212億 | +1.9% |
| 2014/03 | 56.1億 | -2.5% | 844億 | -30.4% |
| 2015/03 | 61.3億 | +9.4% | 1117億 | +32.3% |
| 2016/03 | 58.8億 | -4.1% | 1051億 | -5.9% |
| 2017/03 | 49.8億 | -15.3% | 1017億 | -3.2% |
| 2018/03 | 48.1億 | -3.4% | 1036億 | +1.8% |
| 2019/03 | 70.4億 | +46.3% | 1005億 | -3% |
| 2020/03 | 77.5億 | +10.1% | 1006億 | +0.1% |
| 2021/03 | 74.8億 | -3.4% | 1059億 | +5.4% |
| 2022/03 | 74.1億 | -0.9% | 1049億 | -1% |
| 2023/03 | 72億 | -2.9% | 1044億 | -0.5% |
| 2024/03 | 75.8億 | +5.3% | 1031億 | -1.3% |
