As it turns out a number of bugs were introduced in 1.9.0 version of our server that affected town growth making it much faster than it was supposed to be. Unfortunately no one reported them so those bugs went unnoticed for quite some time and were only fixed in 1.9.3 release. Thus now that we stopped running 1.9.2 servers I've reset all CB scores for 1.9.0-1.9.2 versions to keep it fair. Also there was a different bug when some company received money from server. Fortunately it didn't happen very often but still few cash goal scores were reset as well.