Development Projects In Progress And Development Projects In Progress And Development Projects In Progress Net、無形固定資産、浚渫船（純額）
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Development Projects In Progress Net | 無形固定資産 | 浚渫船（純額） |
|---|
| 2008/03 | - | | 5.68億 | | 17.6億 | |
| 2009/03 | - | | 5.55億 | -2.3% | 12.6億 | -28.3% |
| 2010/03 | - | | 5.01億 | -9.7% | 10.1億 | -20.1% |
| 2010/12 | - | | 5.66億 | +13% | - | |
| 2011/03 | - | | 6.22億 | +9.9% | 9.4億 | -6.9% |
| 2011/06 | - | | 6.23億 | +0.2% | - | |
| 2011/09 | - | | 6.28億 | +0.8% | - | |
| 2011/12 | - | | 6.31億 | +0.5% | - | |
| 2012/03 | - | | 6.36億 | +0.8% | 5.4億 | -42.6% |
| 2012/06 | - | | 7.08億 | +11.3% | - | |
| 2012/09 | - | | 8億 | +13% | - | |
| 2012/12 | - | | 8.41億 | +5.1% | - | |
| 2013/03 | - | | 11.3億 | +34% | 7.42億 | +37.4% |
| 2013/06 | - | | 11億 | -2.8% | - | |
| 2013/09 | - | | 11億 | +0.2% | - | |
| 2013/12 | - | | 10.9億 | -0.8% | - | |
| 2014/03 | - | | 10.9億 | +0.2% | 10.9億 | +46.6% |
| 2014/06 | - | | 11億 | +0.9% | - | |
| 2014/09 | - | | 11.1億 | +1% | - | |
| 2014/12 | - | | 12億 | +7.6% | - | |
| 2015/03 | - | | 11.4億 | -4.4% | 9.35億 | -14.1% |
| 2015/06 | - | | 11.8億 | +3.2% | - | |
| 2015/09 | - | | 11.9億 | +0.8% | - | |
| 2015/12 | - | | 12.2億 | +2.4% | - | |
| 2016/03 | - | | 14.6億 | +19.6% | 7.17億 | -23.3% |
| 2016/06 | - | | 14.4億 | -1.1% | - | |
| 2016/09 | - | | 13.9億 | -3.5% | - | |
| 2016/12 | - | | 14.3億 | +2.9% | - | |
| 2017/03 | - | | 14.1億 | -1.7% | 5.87億 | -18.1% |
| 2017/06 | - | | 13.6億 | -3.2% | - | |
| 2017/09 | - | | 13.4億 | -1.2% | - | |
| 2017/12 | - | | 13.8億 | +2.6% | - | |
| 2018/03 | - | | 14億 | +1.5% | 4.81億 | -18.1% |
| 2018/06 | - | | 13.6億 | -3.1% | - | |
| 2018/09 | - | | 13.7億 | +1.3% | - | |
| 2018/12 | - | | 13.5億 | -1.5% | - | |
| 2019/03 | - | | 13.5億 | -0.7% | 4.14億 | -13.9% |
| 2019/06 | - | | 13.9億 | +3.4% | - | |
| 2019/09 | - | | 13.8億 | -0.7% | - | |
| 2019/12 | - | | 13.9億 | +0.7% | - | |
| 2020/03 | - | | 14.5億 | +4.6% | 4.17億 | +0.7% |
| 2020/06 | - | | 38.9億 | +167.5% | - | |
| 2020/09 | - | | 38.2億 | -1.9% | - | |
| 2020/12 | - | | 37億 | -3.1% | - | |
| 2021/03 | - | | 39.3億 | +6.3% | 2.58億 | -38.1% |
| 2021/06 | - | | 39.7億 | +0.9% | - | |
| 2021/09 | - | | 38.7億 | -2.5% | - | |
| 2021/12 | - | | 37.6億 | -2.9% | - | |
| 2022/03 | - | | 37.6億 | +0.2% | 9.19億 | +256.2% |
| 2022/06 | - | | 37.6億 | -0.1% | - | |
| 2022/09 | - | | 38.4億 | +2.2% | - | |
| 2022/12 | - | | 37.8億 | -1.7% | - | |
| 2023/03 | - | | 36.6億 | -3.1% | 8.82億 | -4% |
| 2023/06 | - | | 35.6億 | -2.7% | - | |
| 2023/09 | - | | 35.9億 | +0.8% | - | |
| 2023/12 | - | | 35.2億 | -2.1% | - | |
| 2024/03 | - | | 25億 | -28.9% | 6.59億 | -25.3% |
| 2024/06 | - | | 26.3億 | +5.2% | - | |
| 2024/09 | - | | 26.8億 | +2% | - | |
| 2024/12 | - | | 20億 | -25.6% | - | |
| 2025/03 | - | | 20.9億 | +4.7% | 4.55億 | -31% |
| 2025/06 | - | | 20.6億 | -1.3% | - | |
