開発事業等支出金、繰延税金資産、浚渫船（純額）
- 【期間】
| 年度 | 開発事業等支出金 | 繰延税金資産 | 浚渫船（純額） |
|---|
| 2008/03 | 47.1億 | | 106億 | | 17.6億 | |
| 2009/03 | 45.4億 | -3.6% | 86.6億 | -18.3% | 12.6億 | -28.3% |
| 2010/03 | 48.1億 | +6.1% | 101億 | +16.6% | 10.1億 | -20.1% |
| 2011/03 | 40億 | -16.8% | 94.8億 | -6% | 9.4億 | -6.9% |
| 2012/03 | 33.2億 | -17% | 68.1億 | -28.2% | 5.4億 | -42.6% |
| 2013/03 | 31.7億 | -4.5% | 49.1億 | -27.9% | 7.42億 | +37.4% |
| 2014/03 | 31.8億 | +0.3% | 29.6億 | -39.7% | 10.9億 | +46.6% |
| 2014/09 | 31億 | -2.5% | - | | - | |
| 2015/03 | 32.3億 | +4.2% | 5.22億 | -82.4% | 9.35億 | -14.1% |
| 2015/09 | 36.7億 | +13.6% | - | | - | |
| 2016/03 | 40億 | +8.9% | 14億 | +168.2% | 7.17億 | -23.3% |
| 2016/09 | 44.8億 | +12% | - | | - | |
| 2017/03 | 21.2億 | -52.7% | 3.36億 | -76% | 5.87億 | -18.1% |
| 2017/09 | 17.9億 | -15.3% | - | | - | |
| 2018/03 | 17.9億 | ±0% | 0.92億 | -72.6% | 4.81億 | -18.1% |
| 2018/09 | 16.5億 | -8.1% | - | | - | |
| 2019/03 | 16.5億 | +0.3% | 29.2億 | 大幅増 | 4.14億 | -13.9% |
| 2019/09 | 15.4億 | -6.7% | - | | - | |
| 2020/03 | 5.04億 | -67.3% | - | | 4.17億 | +0.7% |
| 2020/09 | 4.96億 | -1.6% | - | | - | |
| 2021/03 | 4.96億 | ±0% | - | | 2.58億 | -38.1% |
| 2021/09 | 1.89億 | -61.9% | - | | - | |
| 2022/03 | 2.2億 | +16.4% | - | | 9.19億 | +256.2% |
| 2022/09 | 2.2億 | ±0% | - | | - | |
| 2023/03 | 2.2億 | ±0% | - | | 8.82億 | -4% |
| 2023/09 | 2.2億 | ±0% | - | | - | |
| 2024/03 | 2.2億 | ±0% | - | | 6.59億 | -25.3% |
| 2024/09 | 2.74億 | +24.5% | - | | - | |
| 2025/03 | 2.74億 | ±0% | - | | 4.55億 | -31% |
