From: Wireless management system of prefabricated construction materials based on BIM technology
 | 2015 | 2016 | 2017 | 2018 | 2019 |
---|---|---|---|---|---|
BIM technology | 11,176 | 12,866 | 15,443 | 18,920 | 20,368 |
Conventional method | 15,324 | 17,536 | 19,758 | 21,871 | 25,369 |
Control group | 10,235 | 11,278 | 14,336 | 16,784 | 18,952 |
Change ratio | 14.7% | 15.1% | 21.3% | 19.4% | 17.6% |