This Article is not “fresh”, it is from 2014 in fact… But, I will say all of the information here is very relevant and just a good overall strategy for LinkedIn. Especially if you are a subcontractor looking to keep yourself in front General Contractors and Construction Companies that may be looking for someone of your expertise.
https://blog.bufferapp.com/7-vital-statistics-to-help-with-your-linkedin-marketing-strategy