Development Projects In Progress And Development Projects In Progress And Structures、当期経常利益、浚渫船（純額）
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Structures | 当期経常利益 | 浚渫船（純額） |
|---|
| 2008/03 | - | | 51億 | | 17.6億 | |
| 2009/03 | - | | 70.7億 | +38.8% | 12.6億 | -28.3% |
| 2010/03 | - | | 77.3億 | +9.3% | 10.1億 | -20.1% |
| 2011/03 | - | | 74.3億 | -3.9% | 9.4億 | -6.9% |
| 2012/03 | - | | 74.5億 | +0.2% | 5.4億 | -42.6% |
| 2013/03 | - | | 65.6億 | -11.9% | 7.42億 | +37.4% |
| 2014/03 | - | | 91.6億 | +39.6% | 10.9億 | +46.6% |
| 2015/03 | - | | 114億 | +24.4% | 9.35億 | -14.1% |
| 2016/03 | - | | 194億 | +70.4% | 7.17億 | -23.3% |
| 2017/03 | - | | 237億 | +22.2% | 5.87億 | -18.1% |
| 2018/03 | - | | 257億 | +8.3% | 4.81億 | -18.1% |
| 2019/03 | - | | 266億 | +3.4% | 4.14億 | -13.9% |
| 2020/03 | - | | 325億 | +22.5% | 4.17億 | +0.7% |
| 2021/03 | - | | 305億 | -6.1% | 2.58億 | -38.1% |
| 2022/03 | - | | 157億 | -48.7% | 9.19億 | +256.2% |
| 2023/03 | - | | 14.2億 | -91% | 8.82億 | -4% |
| 2024/03 | - | | 272億 | 大幅増 | 6.59億 | -25.3% |
| 2025/03 | - | | 188億 | -30.8% | 4.55億 | -31% |
