Development Projects In Progress And Development Projects In Progress And Liabilities And Net Dredger Net、開発事業等売上高、当期純利益又は当期純損失（△）
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Liabilities And Net Dredger Net | 開発事業等売上高 | 当期純利益又は当期純損失（△） |
|---|
| 2008/03 | - | | 153億 | | 25.7億 | |
| 2009/03 | - | | 137億 | -10.9% | -33.4億 | 赤転 |
| 2009/12 | - | | 84.4億 | -38.2% | - | |
| 2010/03 | - | | 122億 | +44.2% | 17.5億 | 黒転 |
| 2010/06 | - | | 27.7億 | -77.3% | - | |
| 2010/09 | - | | 60億 | +116.7% | - | |
| 2010/12 | - | | 91.1億 | +51.8% | - | |
| 2011/03 | - | | 126億 | +38.3% | 21.6億 | +23.9% |
| 2011/06 | - | | 28.8億 | -77.1% | - | |
| 2011/09 | - | | 64.9億 | +125.2% | - | |
| 2011/12 | - | | 86.3億 | +33% | - | |
| 2012/03 | - | | 118億 | +36.3% | 16.2億 | -25% |
| 2012/06 | - | | 21億 | -82.2% | - | |
| 2012/09 | - | | 48.1億 | +129.8% | - | |
| 2012/12 | - | | 64.9億 | +34.8% | - | |
| 2013/03 | - | | 87.7億 | +35.2% | 20.3億 | +25.1% |
| 2013/06 | - | | 12.9億 | -85.3% | - | |
| 2013/09 | - | | 35.8億 | +177.4% | - | |
| 2013/12 | - | | 55.2億 | +54% | - | |
| 2014/03 | - | | 88.2億 | +59.7% | - | |
| 2014/06 | - | | 26.9億 | -69.5% | - | |
| 2014/09 | - | | 48.1億 | +79% | - | |
| 2014/12 | - | | 78億 | +62.1% | - | |
| 2015/03 | - | | 113億 | +45.5% | - | |
| 2015/06 | - | | 60.1億 | -47% | - | |
| 2015/09 | - | | 85.6億 | +42.5% | - | |
| 2015/12 | - | | 108億 | +26.4% | - | |
| 2016/03 | - | | 144億 | +33% | - | |
| 2016/06 | - | | 24.4億 | -83.1% | - | |
| 2016/09 | - | | 46.6億 | +91.1% | - | |
| 2016/12 | - | | 81.5億 | +75.1% | - | |
| 2017/03 | - | | 132億 | +62% | - | |
| 2017/06 | - | | 22.4億 | -83.1% | - | |
| 2017/09 | - | | 41.8億 | +86.8% | - | |
| 2017/12 | - | | 69.4億 | +66% | - | |
| 2018/03 | - | | 93.8億 | +35.2% | - | |
| 2018/06 | - | | 18.2億 | -80.6% | - | |
| 2018/09 | - | | 44.1億 | +142.3% | - | |
| 2018/12 | - | | 69.2億 | +57% | - | |
