有形固定資産合計、工事損失引当金の増減額（△は減少）
- 【期間】
| 年度 | 有形固定資産合計 | 工事損失引当金の増減額（△は減少） |
|---|
| 2008/03 | 41.8億 | | 1.73億 | |
| 2009/03 | 41.9億 | +0.2% | -0.62億 | 赤転 |
| 2009/12 | - | | -0.39億 | 赤縮 |
| 2010/03 | 41億 | -2.1% | -1.93億 | 赤拡 |
| 2010/09 | - | | 1.23億 | 黒転 |
| 2010/12 | 40.1億 | -2.2% | 1.58億 | +28.5% |
| 2011/03 | 39.8億 | -0.7% | 0.95億 | -39.9% |
| 2011/06 | 39.4億 | -0.9% | - | |
| 2011/09 | 38.7億 | -1.8% | -0.87億 | 赤転 |
| 2011/12 | 38.6億 | -0.2% | - | |
| 2012/03 | 37.2億 | -3.6% | -0.4億 | 赤縮 |
| 2012/06 | 37億 | -0.5% | - | |
| 2012/09 | 37.3億 | +0.7% | 2.84億 | 黒転 |
| 2012/12 | 37.3億 | -0% | - | |
| 2013/03 | 38億 | +2% | 0.25億 | -91.2% |
| 2013/06 | 37.9億 | -0.2% | - | |
| 2013/09 | 38.2億 | +0.7% | -0.43億 | 赤転 |
| 2013/12 | 38.1億 | -0.1% | - | |
| 2014/03 | 38.2億 | +0.1% | -0.74億 | 赤拡 |
| 2014/06 | 39.4億 | +3.3% | - | |
| 2014/09 | 40.6億 | +2.9% | 2.29億 | 黒転 |
| 2014/12 | 40.5億 | -0.3% | - | |
| 2015/03 | 38.4億 | -5.1% | 3.48億 | +52.1% |
| 2015/06 | 38.6億 | +0.5% | - | |
| 2015/09 | 38.4億 | -0.4% | -1.06億 | 赤転 |
| 2015/12 | 38.4億 | -0.1% | - | |
| 2016/03 | 30.4億 | -20.9% | -2.48億 | 赤拡 |
| 2016/06 | 30.2億 | -0.4% | - | |
| 2016/09 | 30.5億 | +0.9% | -0.62億 | 赤縮 |
| 2016/12 | 30.4億 | -0.4% | - | |
| 2017/03 | 30.1億 | -0.9% | -1.04億 | 赤拡 |
| 2017/06 | 29.6億 | -1.8% | - | |
| 2017/09 | 29.3億 | -0.8% | 0.94億 | 黒転 |
| 2017/12 | 29.2億 | -0.6% | - | |
| 2018/03 | 28.6億 | -1.9% | 1億 | +6.2% |
| 2018/06 | 28.3億 | -1.2% | - | |
| 2018/09 | 28.2億 | -0% | 2.93億 | +193.4% |
| 2018/12 | 23.4億 | -17.1% | - | |
| 2019/03 | 24.7億 | +5.7% | 9.48億 | +223.1% |
| 2019/06 | 24.4億 | -1.5% | - | |
| 2019/09 | 24.1億 | -1.1% | 1.47億 | -84.5% |
| 2019/12 | 23.7億 | -1.8% | - | |
| 2020/03 | 23.8億 | +0.4% | 1.5億 | +1.9% |
| 2020/06 | 24.2億 | +2% | - | |
| 2020/09 | 24.3億 | +0.4% | 0.31億 | -79.6% |
| 2020/12 | 24.9億 | +2.2% | - | |
| 2021/03 | 27億 | +8.5% | -10.4億 | 赤転 |
| 2021/06 | 26.6億 | -1.4% | - | |
| 2021/09 | 30億 | +12.7% | 0.4億 | 黒転 |
| 2021/12 | 30.1億 | +0.2% | - | |
| 2022/03 | 29.7億 | -1.3% | -0.01億 | 赤転 |
| 2022/06 | 29.2億 | -1.6% | - | |
| 2022/09 | 28.9億 | -1.1% | 0.3億 | 黒転 |
| 2022/12 | 28.7億 | -0.8% | - | |
| 2023/03 | 28.1億 | -2.2% | 1.95億 | +554.9% |
| 2023/06 | 27.5億 | -2% | - | |
| 2023/09 | 27.3億 | -0.7% | 0.12億 | -93.8% |
| 2023/12 | 27.1億 | -0.8% | - | |
| 2024/03 | 27億 | -0.5% | -0.6億 | 赤転 |
| 2024/06 | 26.4億 | -2% | - | |
| 2024/09 | 28.5億 | +8% | -0.21億 | 赤縮 |
