資産除去債務、未成工事受入金、機械及び装置（純額）
- 【期間】
| 年度 | 資産除去債務 | 未成工事受入金 | 機械及び装置（純額） |
|---|
| 2008/12 | - | | - | | 36.6億 | |
| 2009/12 | - | | - | | 33.4億 | -8.8% |
| 2010/12 | - | | - | | 25.9億 | -22.2% |
| 2011/12 | 23.5億 | | - | | 18.8億 | -27.6% |
| 2012/12 | 23.8億 | +1.4% | - | | 12.1億 | -35.3% |
| 2013/12 | 24.2億 | +1.3% | - | | 8.62億 | -29% |
| 2014/06 | 24.3億 | +0.7% | - | | - | |
| 2014/12 | 24.5億 | +0.7% | - | | 11.8億 | +36.8% |
| 2015/06 | 24.7億 | +0.7% | - | | - | |
| 2015/12 | 24.8億 | +0.7% | - | | 16.5億 | +40.1% |
| 2016/06 | 25億 | +0.7% | - | | - | |
| 2016/12 | 25.2億 | +0.7% | - | | 19.2億 | +16.2% |
| 2017/06 | 25.3億 | +0.7% | - | | - | |
| 2017/12 | 25.5億 | +0.7% | - | | 21.3億 | +11.1% |
| 2018/06 | 25.7億 | +0.7% | - | | - | |
| 2018/12 | 25.9億 | +0.7% | - | | 21.6億 | +1.1% |
| 2019/06 | 26億 | +0.6% | - | | - | |
| 2019/12 | 26.2億 | +0.6% | - | | 21.9億 | +1.5% |
| 2020/06 | 26.3億 | +0.6% | - | | - | |
| 2020/12 | 26.5億 | +0.6% | - | | 22.4億 | +2.4% |
| 2021/06 | 26.6億 | +0.6% | - | | - | |
| 2021/12 | 26.8億 | +0.6% | - | | 24.5億 | +9.2% |
| 2022/06 | 26.9億 | +0.5% | - | | - | |
| 2022/12 | 27億 | +0.4% | 1038億 | | 22.5億 | -8.2% |
| 2023/06 | 24.5億 | -9.5% | - | | - | |
| 2023/12 | 20.3億 | -17.1% | 1173億 | +13.1% | 21.1億 | -6.3% |
