2014, when the company pivoted away from its public PaaS offering to focus on Jenkins. That seems to have been the right move – headcount has grown from 60 to 164 since then, and revenue increased 150% year over year in 2015.
There’s pricing in there too and some notes on enterprise customers if you have 451 access.
Source: CloudBees launches certification and new private SaaS offering backed by Jenkins 2.0