別途積立金の積立、求償債務、坑井
- 【期間】
| 年度 | 別途積立金の積立 | 求償債務 | 坑井 |
|---|
| 2008/03 | 110億 | | - | | 541億 | |
| 2009/03 | 100億 | -9.1% | - | | 591億 | +9.2% |
| 2010/03 | 150億 | +50% | - | | 671億 | +13.6% |
| 2011/03 | 150億 | ±0% | - | | 714億 | +6.3% |
| 2012/03 | - | | - | | 717億 | +0.4% |
| 2013/03 | 100億 | -33.3% | - | | 711億 | -0.8% |
| 2014/03 | - | | - | | 807億 | +13.4% |
| 2015/03 | - | | - | | 1037億 | +28.6% |
| 2016/03 | - | | - | | 1095億 | +5.5% |
| 2017/03 | - | | - | | 1132億 | +3.4% |
| 2018/03 | - | | - | | 1164億 | +2.8% |
| 2019/03 | - | | - | | 1161億 | -0.3% |
| 2020/03 | - | | - | | 1180億 | +1.6% |
| 2021/03 | - | | - | | 1193億 | +1.2% |
| 2021/09 | - | | 471億 | | - | |
| 2021/12 | - | | 434億 | -7.8% | - | |
| 2022/03 | - | | - | | 753億 | -36.9% |
| 2023/03 | - | | - | | 940億 | +24.9% |
| 2024/03 | - | | - | | 1639億 | +74.3% |
