Development Projects In Progress And Development Projects In Progress And Development Projects In Progress And Structures Net Net、全事業営業利益、浚渫船（純額）
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Development Projects In Progress And Structures Net Net | 全事業営業利益 | 浚渫船（純額） |
|---|
| 2008/03 | - | | 88.4億 | | 17.6億 | |
| 2009/03 | - | | 108億 | +22.4% | 12.6億 | -28.3% |
| 2010/03 | - | | 108億 | -0.2% | 10.1億 | -20.1% |
| 2011/03 | - | | 97.8億 | -9.4% | 9.4億 | -6.9% |
| 2012/03 | - | | 89.8億 | -8.2% | 5.4億 | -42.6% |
| 2013/03 | - | | 64.6億 | -28% | 7.42億 | +37.4% |
| 2014/03 | - | | 99億 | +53.1% | 10.9億 | +46.6% |
| 2015/03 | - | | 123億 | +24.2% | 9.35億 | -14.1% |
| 2016/03 | - | | 206億 | +67.7% | 7.17億 | -23.3% |
| 2017/03 | - | | 243億 | +17.7% | 5.87億 | -18.1% |
| 2018/03 | - | | 276億 | +13.8% | 4.81億 | -18.1% |
| 2019/03 | - | | 292億 | +5.8% | 4.14億 | -13.9% |
| 2020/03 | - | | 332億 | +13.4% | 4.17億 | +0.7% |
| 2021/03 | - | | 305億 | -8.1% | 2.58億 | -38.1% |
| 2022/03 | - | | 159億 | -47.7% | 9.19億 | +256.2% |
| 2023/03 | - | | 41.2億 | -74.2% | 8.82億 | -4% |
| 2024/03 | - | | 292億 | +607.7% | 6.59億 | -25.3% |
| 2025/03 | - | | 217億 | -25.6% | 4.55億 | -31% |
