Development Projects In Progress And Development Projects In Progress And Deferred Structures Net、売上総利益合計、浚渫船（純額）
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Deferred Structures Net | 売上総利益合計 | 浚渫船（純額） |
|---|
| 2008/03 | - | | 265億 | | 17.6億 | |
| 2009/03 | - | | 289億 | +8.9% | 12.6億 | -28.3% |
| 2010/03 | - | | 287億 | -0.8% | 10.1億 | -20.1% |
| 2011/03 | - | | 253億 | -11.7% | 9.4億 | -6.9% |
| 2012/03 | - | | 242億 | -4.4% | 5.4億 | -42.6% |
| 2013/03 | - | | 211億 | -12.7% | 7.42億 | +37.4% |
| 2014/03 | - | | 247億 | +16.8% | 10.9億 | +46.6% |
| 2015/03 | - | | 275億 | +11.4% | 9.35億 | -14.1% |
| 2016/03 | - | | 360億 | +31.1% | 7.17億 | -23.3% |
| 2017/03 | - | | 409億 | +13.5% | 5.87億 | -18.1% |
| 2018/03 | - | | 449億 | +10% | 4.81億 | -18.1% |
| 2019/03 | - | | 467億 | +4% | 4.14億 | -13.9% |
| 2020/03 | - | | 519億 | +11% | 4.17億 | +0.7% |
| 2021/03 | - | | 500億 | -3.6% | 2.58億 | -38.1% |
| 2022/03 | - | | 372億 | -25.6% | 9.19億 | +256.2% |
| 2023/03 | - | | 264億 | -29% | 8.82億 | -4% |
| 2024/03 | - | | 533億 | +101.8% | 6.59億 | -25.3% |
| 2025/03 | - | | 476億 | -10.8% | 4.55億 | -31% |
