Development Projects In Progress And Development Projects In Progress And Development Projects In Progress Net Net、浚渫船（純額）、純資産の部合計
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Development Projects In Progress Net Net | 浚渫船（純額） | 純資産の部合計 |
|---|
| 2007/03 | - | | - | | 576億 | |
| 2008/03 | - | | 17.6億 | | 539億 | -6.5% |
| 2009/03 | - | | 12.6億 | -28.3% | 538億 | -0.1% |
| 2010/03 | - | | 10.1億 | -20.1% | 545億 | +1.2% |
| 2011/03 | - | | 9.4億 | -6.9% | 605億 | +11% |
| 2012/03 | - | | 5.4億 | -42.6% | 624億 | +3.2% |
| 2013/03 | - | | 7.42億 | +37.4% | 651億 | +4.4% |
| 2014/03 | - | | 10.9億 | +46.6% | 675億 | +3.7% |
| 2015/03 | - | | 9.35億 | -14.1% | 771億 | +14.2% |
| 2016/03 | - | | 7.17億 | -23.3% | 807億 | +4.7% |
| 2017/03 | - | | 5.87億 | -18.1% | 964億 | +19.6% |
| 2018/03 | - | | 4.81億 | -18.1% | 1120億 | +16.2% |
| 2019/03 | - | | 4.14億 | -13.9% | 1266億 | +13% |
| 2020/03 | - | | 4.17億 | +0.7% | 1413億 | +11.6% |
| 2021/03 | - | | 2.58億 | -38.1% | 1584億 | +12.1% |
| 2022/03 | - | | 9.19億 | +256.2% | 1598億 | +0.9% |
| 2023/03 | - | | 8.82億 | -4% | 1570億 | -1.8% |
| 2024/03 | - | | 6.59億 | -25.3% | 1731億 | +10.3% |
| 2025/03 | - | | 4.55億 | -31% | 1721億 | -0.5% |
