Development Projects In Progress And Development Projects In Progress And Net Assets Net、浚渫船（純額）、売上高合計
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Net Assets Net | 浚渫船（純額） | 売上高合計 |
|---|
| 2008/03 | - | | 17.6億 | | 3528億 | |
| 2009/03 | - | | 12.6億 | -28.3% | 3985億 | +12.9% |
| 2010/03 | - | | 10.1億 | -20.1% | 3248億 | -18.5% |
| 2011/03 | - | | 9.4億 | -6.9% | 3023億 | -6.9% |
| 2012/03 | - | | 5.4億 | -42.6% | 3280億 | +8.5% |
| 2013/03 | - | | 7.42億 | +37.4% | 3498億 | +6.7% |
| 2014/03 | - | | 10.9億 | +46.6% | 3812億 | +9% |
| 2015/03 | - | | 9.35億 | -14.1% | 4262億 | +11.8% |
| 2016/03 | - | | 7.17億 | -23.3% | 4916億 | +15.3% |
| 2017/03 | - | | 5.87億 | -18.1% | 5003億 | +1.8% |
| 2018/03 | - | | 4.81億 | -18.1% | 5269億 | +5.3% |
| 2019/03 | - | | 4.14億 | -13.9% | 5419億 | +2.9% |
| 2020/03 | - | | 4.17億 | +0.7% | 5738億 | +5.9% |
| 2021/03 | - | | 2.58億 | -38.1% | 4711億 | -17.9% |
| 2022/03 | - | | 9.19億 | +256.2% | 4582億 | -2.7% |
| 2023/03 | - | | 8.82億 | -4% | 5022億 | +9.6% |
| 2024/03 | - | | 6.59億 | -25.3% | 6177億 | +23% |
| 2025/03 | - | | 4.55億 | -31% | 7275億 | +17.8% |
