Development Projects In Progress And Development Projects In Progress And Net Assets Net、浚渫船（純額）、固定資産計
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Net Assets Net | 浚渫船（純額） | 固定資産計 |
|---|
| 2008/03 | - | | 17.6億 | | 948億 | |
| 2009/03 | - | | 12.6億 | -28.3% | 925億 | -2.5% |
| 2010/03 | - | | 10.1億 | -20.1% | 833億 | -10% |
| 2011/03 | - | | 9.4億 | -6.9% | 864億 | +3.7% |
| 2012/03 | - | | 5.4億 | -42.6% | 904億 | +4.6% |
| 2013/03 | - | | 7.42億 | +37.4% | 961億 | +6.3% |
| 2014/03 | - | | 10.9億 | +46.6% | 991億 | +3.1% |
| 2015/03 | - | | 9.35億 | -14.1% | 996億 | +0.5% |
| 2016/03 | - | | 7.17億 | -23.3% | 918億 | -7.9% |
| 2017/03 | - | | 5.87億 | -18.1% | 951億 | +3.6% |
| 2018/03 | - | | 4.81億 | -18.1% | 1032億 | +8.6% |
| 2019/03 | - | | 4.14億 | -13.9% | 1101億 | +6.7% |
| 2020/03 | - | | 4.17億 | +0.7% | 1086億 | -1.3% |
| 2021/03 | - | | 2.58億 | -38.1% | 1172億 | +7.9% |
| 2022/03 | - | | 9.19億 | +256.2% | 1230億 | +5% |
| 2023/03 | - | | 8.82億 | -4% | 1308億 | +6.4% |
| 2024/03 | - | | 6.59億 | -25.3% | 1372億 | +4.9% |
| 2025/03 | - | | 4.55億 | -31% | 1761億 | +28.4% |
