Development Projects In Progress And Development Projects In Progress And Net Assets Net、船舶（純額）、浚渫船（純額）
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Net Assets Net | 船舶（純額） | 浚渫船（純額） |
|---|
| 2008/03 | - | | 11.4億 | | 17.6億 | |
| 2009/03 | - | | 11億 | -3.2% | 12.6億 | -28.3% |
| 2010/03 | - | | 9.59億 | -13.1% | 10.1億 | -20.1% |
| 2011/03 | - | | 7.27億 | -24.2% | 9.4億 | -6.9% |
| 2012/03 | - | | 5.63億 | -22.6% | 5.4億 | -42.6% |
| 2013/03 | - | | 31億 | +450.6% | 7.42億 | +37.4% |
| 2014/03 | - | | 27.1億 | -12.6% | 10.9億 | +46.6% |
| 2015/03 | - | | 23.8億 | -12.1% | 9.35億 | -14.1% |
| 2016/03 | - | | 28.5億 | +19.7% | 7.17億 | -23.3% |
| 2017/03 | - | | 43.4億 | +52.3% | 5.87億 | -18.1% |
| 2018/03 | - | | 49.9億 | +14.9% | 4.81億 | -18.1% |
| 2019/03 | - | | 168億 | +236.4% | 4.14億 | -13.9% |
| 2020/03 | - | | 150億 | -10.7% | 4.17億 | +0.7% |
| 2021/03 | - | | 128億 | -14.6% | 2.58億 | -38.1% |
| 2022/03 | - | | 103億 | -19.4% | 9.19億 | +256.2% |
| 2023/03 | - | | 84.8億 | -17.7% | 8.82億 | -4% |
| 2024/03 | - | | 67.5億 | -20.4% | 6.59億 | -25.3% |
| 2025/03 | - | | 54.7億 | -19% | 4.55億 | -31% |
