Development Projects In Progress And Development Projects In Progress And Intangible Assets、浚渫船（純額）、退職給付引当金
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Intangible Assets | 浚渫船（純額） | 退職給付引当金 |
|---|
| 2008/03 | - | | 17.6億 | | 11.1億 | |
| 2009/03 | - | | 12.6億 | -28.3% | 5.91億 | -46.7% |
| 2010/03 | - | | 10.1億 | -20.1% | 3.5億 | -40.8% |
| 2011/03 | - | | 9.4億 | -6.9% | 3.33億 | -4.9% |
| 2012/03 | - | | 5.4億 | -42.6% | 3.24億 | -2.7% |
| 2013/03 | - | | 7.42億 | +37.4% | 3.51億 | +8.3% |
| 2014/03 | - | | 10.9億 | +46.6% | - | |
| 2015/03 | - | | 9.35億 | -14.1% | 5.83億 | +66.1% |
| 2016/03 | - | | 7.17億 | -23.3% | 6.01億 | +3.1% |
| 2017/03 | - | | 5.87億 | -18.1% | 7.87億 | +30.9% |
| 2018/03 | - | | 4.81億 | -18.1% | 7.43億 | -5.6% |
| 2019/03 | - | | 4.14億 | -13.9% | 7.63億 | +2.7% |
| 2020/03 | - | | 4.17億 | +0.7% | 4.79億 | -37.2% |
| 2021/03 | - | | 2.58億 | -38.1% | 4.73億 | -1.3% |
| 2022/03 | - | | 9.19億 | +256.2% | 3.36億 | -29% |
| 2023/03 | - | | 8.82億 | -4% | 3.35億 | -0.3% |
| 2024/03 | - | | 6.59億 | -25.3% | 6.15億 | +83.6% |
| 2025/03 | - | | 4.55億 | -31% | 7.5億 | +22% |
