| 2015/03 | 2016/03 | 2017/03 | 2018/03 | 2019/03 | 2020/03 | 2021/03 | 2022/03 | 2023/03 | 2024/03 | |
| Energy | 93,067 | 80,745 | 73,344 | 76,073 | 77,977 | 78,154 | 77,380 | 86,770 | 102,528 | 100,974 |
| Information and Communications | 40,118 | 44,246 | 49,508 | 50,894 | 51,234 | 51,753 | 50,735 | 51,398 | 53,945 | 56,669 |
| CATV | 24,359 | 24,608 | 25,396 | 28,386 | 30,511 | 31,385 | 33,745 | 32,572 | 34,500 | 35,761 |
| Construction, Equipment and Real Estate | 20,019 | 20,975 | 19,511 | 19,807 | 20,090 | 22,383 | 23,177 | 27,780 | 26,809 | 25,038 |
| Aqua | 4,959 | 5,487 | 5,762 | 6,200 | 7,004 | 7,416 | 7,622 | 7,629 | 7,529 | 7,743 |
| Others | 4,987 | 4,875 | 5,108 | 4,706 | 4,781 | 4,858 | 4,065 | 4,540 | 4,876 | 5,325 |