Development Projects In Progress And Development Projects In Progress And Deferred Assets、調査研究費、浚渫船（純額）
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Deferred Assets | 調査研究費 | 浚渫船（純額） |
|---|
| 2008/03 | - | | 21.8億 | | 17.6億 | |
| 2009/03 | - | | 24億 | +10.1% | 12.6億 | -28.3% |
| 2010/03 | - | | 28億 | +16.6% | 10.1億 | -20.1% |
| 2011/03 | - | | 25.7億 | -8.2% | 9.4億 | -6.9% |
| 2012/03 | - | | 24.3億 | -5.4% | 5.4億 | -42.6% |
| 2013/03 | - | | 18億 | -25.9% | 7.42億 | +37.4% |
| 2014/03 | - | | 19.1億 | +5.9% | 10.9億 | +46.6% |
| 2015/03 | - | | 18.2億 | -4.6% | 9.35億 | -14.1% |
| 2016/03 | - | | 20.6億 | +13% | 7.17億 | -23.3% |
| 2017/03 | - | | 21.3億 | +3.5% | 5.87億 | -18.1% |
| 2018/03 | - | | 23億 | +7.7% | 4.81億 | -18.1% |
| 2019/03 | - | | 23.7億 | +3.3% | 4.14億 | -13.9% |
| 2020/03 | - | | 22.7億 | -4.1% | 4.17億 | +0.7% |
| 2021/03 | - | | 24.6億 | +8.2% | 2.58億 | -38.1% |
| 2022/03 | - | | 27.8億 | +12.9% | 9.19億 | +256.2% |
| 2023/03 | - | | 30.5億 | +9.8% | 8.82億 | -4% |
| 2024/03 | - | | 33.5億 | +10% | 6.59億 | -25.3% |
| 2025/03 | - | | 33.2億 | -1.1% | 4.55億 | -31% |
