資産除去債務、損害賠償費用、建物（純額）
- 【期間】
| 年度 | 資産除去債務 | 損害賠償費用 | 建物（純額） |
|---|
| 2008/12 | - | | - | | 474億 | |
| 2009/12 | - | | - | | 472億 | -0.6% |
| 2010/06 | - | | - | | 752億 | +59.5% |
| 2010/12 | - | | - | | 738億 | -1.9% |
| 2011/12 | 23.5億 | | - | | 726億 | -1.6% |
| 2012/12 | 23.8億 | +1.4% | - | | 722億 | -0.5% |
| 2013/12 | 24.2億 | +1.3% | - | | 679億 | -6% |
| 2014/06 | 24.3億 | +0.7% | - | | 667億 | -1.7% |
| 2014/12 | 24.5億 | +0.7% | - | | 725億 | +8.6% |
| 2015/06 | 24.7億 | +0.7% | - | | 705億 | -2.6% |
| 2015/12 | 24.8億 | +0.7% | - | | 698億 | -1.1% |
| 2016/06 | 25億 | +0.7% | - | | 691億 | -0.9% |
| 2016/12 | 25.2億 | +0.7% | - | | 682億 | -1.4% |
| 2017/06 | 25.3億 | +0.7% | - | | 722億 | +5.9% |
| 2017/12 | 25.5億 | +0.7% | - | | 709億 | -1.8% |
| 2018/06 | 25.7億 | +0.7% | - | | 699億 | -1.5% |
| 2018/12 | 25.9億 | +0.7% | 1.35億 | | 707億 | +1.2% |
| 2019/06 | 26億 | +0.6% | 0.03億 | -97.8% | 609億 | -13.9% |
| 2019/12 | 26.2億 | +0.6% | 10.2億 | 大幅増 | 800億 | +31.3% |
| 2020/06 | 26.3億 | +0.6% | 6.51億 | -36.4% | 866億 | +8.2% |
| 2020/12 | 26.5億 | +0.6% | - | | 825億 | -4.7% |
| 2021/06 | 26.6億 | +0.6% | - | | 816億 | -1.1% |
| 2021/12 | 26.8億 | +0.6% | - | | 825億 | +1.1% |
| 2022/06 | 26.9億 | +0.5% | - | | 809億 | -1.9% |
| 2022/12 | 27億 | +0.4% | - | | 874億 | +8% |
| 2023/06 | 24.5億 | -9.5% | - | | 815億 | -6.8% |
| 2023/12 | 20.3億 | -17.1% | - | | 886億 | +8.8% |
