Development Projects In Progress And Development Projects In Progress And Liabilities And Net Treasury Stock、非支配株主持分、浚渫船（純額）
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Liabilities And Net Treasury Stock | 非支配株主持分 | 浚渫船（純額） |
|---|
| 2008/03 | - | | - | | 17.6億 | |
| 2009/03 | - | | - | | 12.6億 | -28.3% |
| 2010/03 | - | | - | | 10.1億 | -20.1% |
| 2011/03 | - | | - | | 9.4億 | -6.9% |
| 2012/03 | - | | - | | 5.4億 | -42.6% |
| 2013/03 | - | | - | | 7.42億 | +37.4% |
| 2014/03 | - | | - | | 10.9億 | +46.6% |
| 2015/03 | - | | 35百万 | | 9.35億 | -14.1% |
| 2015/06 | - | | 72百万 | +105.7% | - | |
| 2015/09 | - | | 68百万 | -5.6% | - | |
| 2015/12 | - | | 69百万 | +1.5% | - | |
| 2016/03 | - | | 68百万 | -1.4% | 7.17億 | -23.3% |
| 2016/06 | - | | 72百万 | +5.9% | - | |
| 2016/09 | - | | 64百万 | -11.1% | - | |
| 2016/12 | - | | 67百万 | +4.7% | - | |
| 2017/03 | - | | 67百万 | ±0% | 5.87億 | -18.1% |
| 2017/06 | - | | 72百万 | +7.5% | - | |
| 2017/09 | - | | 72百万 | ±0% | - | |
| 2017/12 | - | | 63百万 | -12.5% | - | |
| 2018/03 | - | | 59百万 | -6.3% | 4.81億 | -18.1% |
| 2018/06 | - | | 59百万 | ±0% | - | |
| 2018/09 | - | | 60百万 | +1.7% | - | |
| 2018/12 | - | | 54百万 | -10% | - | |
| 2019/03 | - | | 56百万 | +3.7% | 4.14億 | -13.9% |
| 2019/06 | - | | 58百万 | +3.6% | - | |
| 2019/09 | - | | 62百万 | +6.9% | - | |
| 2019/12 | - | | 60百万 | -3.2% | - | |
| 2020/03 | - | | 125百万 | +108.3% | 4.17億 | +0.7% |
| 2020/06 | - | | 127百万 | +1.6% | - | |
| 2020/09 | - | | 126百万 | -0.8% | - | |
| 2020/12 | - | | 130百万 | +3.2% | - | |
| 2021/03 | - | | 116百万 | -10.8% | 2.58億 | -38.1% |
| 2021/06 | - | | 122百万 | +5.2% | - | |
| 2021/09 | - | | 118百万 | -3.3% | - | |
| 2021/12 | - | | 208百万 | +76.3% | - | |
| 2022/03 | - | | 186百万 | -10.6% | 9.19億 | +256.2% |
| 2022/06 | - | | 168百万 | -9.7% | - | |
| 2022/09 | - | | 149百万 | -11.3% | - | |
| 2022/12 | - | | 117百万 | -21.5% | - | |
| 2023/03 | - | | 107百万 | -8.5% | 8.82億 | -4% |
| 2023/06 | - | | 73百万 | -31.8% | - | |
| 2023/09 | - | | -2百万 | 赤転 | - | |
| 2023/12 | - | | 65百万 | 黒転 | - | |
| 2024/03 | - | | 55百万 | -15.4% | 6.59億 | -25.3% |
| 2024/06 | - | | 25百万 | -54.5% | - | |
| 2024/09 | - | | 217百万 | +768% | - | |
| 2024/12 | - | | 195百万 | -10.1% | - | |
| 2025/03 | - | | 60百万 | -69.2% | 4.55億 | -31% |
| 2025/06 | - | | 64百万 | +6.7% | - | |
| 2025/09 | - | | 144百万 | +125% | - | |
