資産除去債務、Total Changes Of Items During The PeriodLRE、構築物（純額）
- 【期間】
| 年度 | 資産除去債務 | Total Changes Of Items During The PeriodLRE | 構築物（純額） |
|---|
| 2008/12 | - | | - | | 16.8億 | |
| 2009/12 | - | | - | | 15.5億 | -7.4% |
| 2010/12 | - | | - | | 19億 | +22.2% |
| 2011/12 | 23.5億 | | - | | 18.1億 | -4.7% |
| 2012/12 | 23.8億 | +1.4% | - | | 16.9億 | -6.6% |
| 2013/12 | 24.2億 | +1.3% | - | | 15.7億 | -7.3% |
| 2014/06 | 24.3億 | +0.7% | - | | - | |
| 2014/12 | 24.5億 | +0.7% | - | | 15.5億 | -0.9% |
| 2015/06 | 24.7億 | +0.7% | - | | - | |
| 2015/12 | 24.8億 | +0.7% | - | | 15億 | -3.1% |
| 2016/06 | 25億 | +0.7% | - | | - | |
| 2016/12 | 25.2億 | +0.7% | - | | 14億 | -6.7% |
| 2017/06 | 25.3億 | +0.7% | - | | - | |
| 2017/12 | 25.5億 | +0.7% | - | | 15.2億 | +8.6% |
| 2018/06 | 25.7億 | +0.7% | - | | - | |
| 2018/12 | 25.9億 | +0.7% | - | | 15.9億 | +4.4% |
| 2019/06 | 26億 | +0.6% | - | | - | |
| 2019/12 | 26.2億 | +0.6% | - | | 29.3億 | +84.4% |
| 2020/06 | 26.3億 | +0.6% | - | | - | |
| 2020/12 | 26.5億 | +0.6% | - | | 28.3億 | -3.3% |
| 2021/06 | 26.6億 | +0.6% | - | | - | |
| 2021/12 | 26.8億 | +0.6% | - | | 29.1億 | +2.7% |
| 2022/06 | 26.9億 | +0.5% | - | | - | |
| 2022/12 | 27億 | +0.4% | - | | 30.3億 | +4.1% |
| 2023/06 | 24.5億 | -9.5% | - | | - | |
| 2023/12 | 20.3億 | -17.1% | - | | 31.8億 | +5.2% |
