構築物（純額）、資産除去債務
- 【期間】
| 年度 | 構築物（純額） | 資産除去債務 |
|---|
| 2009/02 | 6.34億 | | - | |
| 2010/02 | 5.46億 | -13.9% | - | |
| 2011/02 | 11.6億 | +112.3% | - | |
| 2012/02 | 13.8億 | +19.2% | 57.2億 | |
| 2013/02 | 11.9億 | -14% | 54.7億 | -4.3% |
| 2014/02 | 10億 | -15.4% | 55.3億 | +1.1% |
| 2015/02 | - | | 57.4億 | +3.7% |
| 2016/02 | - | | 61億 | +6.3% |
| 2017/02 | - | | 62.8億 | +3% |
| 2018/02 | - | | 64.8億 | +3.1% |
| 2019/02 | - | | 67.3億 | +3.9% |
| 2020/02 | - | | 68.2億 | +1.3% |
| 2021/02 | - | | 68.6億 | +0.6% |
| 2022/02 | - | | 69.9億 | +2% |
| 2023/02 | - | | 71.2億 | +1.8% |
| 2024/02 | - | | 80.8億 | +13.5% |
