Development Projects In Progress And Development Projects In Progress And Provision For Retirement Benefits、浚渫船、浚渫船（純額）
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Provision For Retirement Benefits | 浚渫船 | 浚渫船（純額） |
|---|
| 2008/03 | - | | 175億 | | 17.6億 | |
| 2009/03 | - | | 161億 | -8.1% | 12.6億 | -28.3% |
| 2010/03 | - | | 162億 | +0.7% | 10.1億 | -20.1% |
| 2011/03 | - | | 164億 | +0.8% | 9.4億 | -6.9% |
| 2012/03 | - | | 158億 | -3.4% | 5.4億 | -42.6% |
| 2013/03 | - | | 160億 | +1.4% | 7.42億 | +37.4% |
| 2014/03 | - | | 166億 | +3.7% | 10.9億 | +46.6% |
| 2015/03 | - | | 166億 | -0.3% | 9.35億 | -14.1% |
| 2016/03 | - | | 166億 | +0% | 7.17億 | -23.3% |
| 2017/03 | - | | 157億 | -5.7% | 5.87億 | -18.1% |
| 2018/03 | - | | 157億 | ±0% | 4.81億 | -18.1% |
| 2019/03 | - | | 157億 | +0.2% | 4.14億 | -13.9% |
| 2020/03 | - | | 161億 | +2.4% | 4.17億 | +0.7% |
| 2021/03 | - | | 161億 | -0% | 2.58億 | -38.1% |
| 2022/03 | - | | 169億 | +5.3% | 9.19億 | +256.2% |
| 2023/03 | - | | 171億 | +1.2% | 8.82億 | -4% |
| 2024/03 | - | | 163億 | -4.5% | 6.59億 | -25.3% |
| 2025/03 | - | | 158億 | -3.3% | 4.55億 | -31% |
