Development Projects In Progress And Development Projects In Progress And Structures Net、売上高 - 国内開発事業、浚渫船（純額）
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Structures Net | 売上高 - 国内開発事業 | 浚渫船（純額） |
|---|
| 2008/03 | - | | - | | 17.6億 | |
| 2009/03 | - | | - | | 12.6億 | -28.3% |
| 2010/03 | - | | - | | 10.1億 | -20.1% |
| 2011/03 | - | | - | | 9.4億 | -6.9% |
| 2012/03 | - | | - | | 5.4億 | -42.6% |
| 2013/03 | - | | 12.9億 | | 7.42億 | +37.4% |
| 2013/06 | - | | 1.78億 | -86.2% | - | |
| 2013/09 | - | | 7.72億 | +333.7% | - | |
| 2013/12 | - | | 9.52億 | +23.3% | - | |
| 2014/03 | - | | 26.1億 | +173.8% | 10.9億 | +46.6% |
| 2014/06 | - | | 7.58億 | -70.9% | - | |
| 2014/09 | - | | 8.97億 | +18.3% | - | |
| 2014/12 | - | | 15.2億 | +69.3% | - | |
| 2015/03 | - | | 20.7億 | +36.2% | 9.35億 | -14.1% |
| 2015/06 | - | | 39.8億 | +92.2% | - | |
| 2015/09 | - | | 41.3億 | +3.8% | - | |
| 2015/12 | - | | 42.7億 | +3.5% | - | |
| 2016/03 | - | | 49.6億 | +16.1% | 7.17億 | -23.3% |
| 2016/06 | - | | 0.73億 | -98.5% | - | |
| 2016/09 | - | | 1.57億 | +115.1% | - | |
| 2016/12 | - | | 17.1億 | +987.9% | - | |
| 2017/03 | - | | 40.9億 | +139.6% | 5.87億 | -18.1% |
| 2017/06 | - | | 1.87億 | -95.4% | - | |
| 2017/09 | - | | 3.45億 | +84.5% | - | |
| 2017/12 | - | | 4.93億 | +42.9% | - | |
| 2018/03 | - | | 7.22億 | +46.5% | 4.81億 | -18.1% |
| 2019/03 | - | | - | | 4.14億 | -13.9% |
| 2020/03 | - | | - | | 4.17億 | +0.7% |
| 2021/03 | - | | - | | 2.58億 | -38.1% |
| 2022/03 | - | | - | | 9.19億 | +256.2% |
| 2023/03 | - | | - | | 8.82億 | -4% |
| 2024/03 | - | | - | | 6.59億 | -25.3% |
| 2025/03 | - | | - | | 4.55億 | -31% |
