Development Projects In Progress And Development Projects In Progress、売上高合計、浚渫船（純額）
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress | 売上高合計 | 浚渫船（純額） |
|---|
| 2008/03 | - | | 3528億 | | 17.6億 | |
| 2009/03 | - | | 3985億 | +12.9% | 12.6億 | -28.3% |
| 2009/12 | - | | 2367億 | -40.6% | - | |
| 2010/03 | - | | 3248億 | +37.2% | 10.1億 | -20.1% |
| 2010/06 | - | | 660億 | -79.7% | - | |
| 2010/09 | - | | 1430億 | +116.6% | - | |
| 2010/12 | - | | 2168億 | +51.6% | - | |
| 2011/03 | - | | 3023億 | +39.4% | 9.4億 | -6.9% |
| 2011/06 | - | | 617億 | -79.6% | - | |
| 2011/09 | - | | 1453億 | +135.4% | - | |
| 2011/12 | - | | 2295億 | +58% | - | |
| 2012/03 | - | | 3280億 | +42.9% | 5.4億 | -42.6% |
| 2012/06 | - | | 758億 | -76.9% | - | |
| 2012/09 | - | | 1661億 | +119.2% | - | |
| 2012/12 | - | | 2500億 | +50.5% | - | |
| 2013/03 | - | | 3498億 | +39.9% | 7.42億 | +37.4% |
| 2013/06 | - | | 841億 | -76% | - | |
| 2013/09 | - | | 1853億 | +120.4% | - | |
| 2013/12 | - | | 2812億 | +51.7% | - | |
| 2014/03 | - | | 3812億 | +35.6% | 10.9億 | +46.6% |
| 2014/06 | - | | 800億 | -79% | - | |
| 2014/09 | - | | 1831億 | +128.9% | - | |
| 2014/12 | - | | 2877億 | +57.1% | - | |
| 2015/03 | - | | 4262億 | +48.2% | 9.35億 | -14.1% |
| 2015/06 | - | | 1078億 | -74.7% | - | |
| 2015/09 | - | | 2288億 | +112.2% | - | |
| 2015/12 | - | | 3620億 | +58.2% | - | |
| 2016/03 | - | | 4916億 | +35.8% | 7.17億 | -23.3% |
| 2016/06 | - | | 1205億 | -75.5% | - | |
| 2016/09 | - | | 2412億 | +100.1% | - | |
| 2016/12 | - | | 3629億 | +50.4% | - | |
| 2017/03 | - | | 5003億 | +37.9% | 5.87億 | -18.1% |
| 2017/06 | - | | 1234億 | -75.3% | - | |
| 2017/09 | - | | 2508億 | +103.2% | - | |
| 2017/12 | - | | 3778億 | +50.6% | - | |
| 2018/03 | - | | 5269億 | +39.5% | 4.81億 | -18.1% |
| 2018/06 | - | | 1164億 | -77.9% | - | |
| 2018/09 | - | | 2445億 | +110% | - | |
| 2018/12 | - | | 3856億 | +57.7% | - | |
| 2019/03 | - | | 5419億 | +40.5% | 4.14億 | -13.9% |
| 2019/06 | - | | 1448億 | -73.3% | - | |
| 2019/09 | - | | 2952億 | +103.9% | - | |
| 2019/12 | - | | 4366億 | +47.9% | - | |
| 2020/03 | - | | 5738億 | +31.4% | 4.17億 | +0.7% |
| 2020/06 | - | | 1148億 | -80% | - | |
| 2020/09 | - | | 2274億 | +98% | - | |
| 2020/12 | - | | 3423億 | +50.5% | - | |
| 2021/03 | - | | 4711億 | +37.6% | 2.58億 | -38.1% |
| 2021/06 | - | | 990億 | -79% | - | |
| 2021/09 | - | | 2101億 | +112.3% | - | |
| 2021/12 | - | | 3266億 | +55.4% | - | |
| 2022/03 | - | | 4582億 | +40.3% | 9.19億 | +256.2% |
| 2022/06 | - | | 1072億 | -76.6% | - | |
| 2022/09 | - | | 2277億 | +112.4% | - | |
| 2022/12 | - | | 3472億 | +52.5% | - | |
| 2023/03 | - | | 5022億 | +44.6% | 8.82億 | -4% |
| 2023/06 | - | | 1273億 | -74.7% | - | |
| 2023/09 | - | | 2786億 | +118.9% | - | |
| 2023/12 | - | | 4358億 | +56.4% | - | |
| 2024/03 | - | | 6177億 | +41.7% | 6.59億 | -25.3% |
| 2024/06 | - | | 1543億 | -75% | - | |
| 2024/09 | - | | 3280億 | +112.5% | - | |
| 2024/12 | - | | 5160億 | +57.3% | - | |
| 2025/03 | - | | 7275億 | +41% | 4.55億 | -31% |
| 2025/06 | - | | 1741億 | -76.1% | - | |
