Do they provide statistics on success rates of previous students? 

Statistics and human behavior.

At a high level, the issue with Pittsburgh real estate is that after the crash in the steel industry in the 70s/80s, the combined statistical area went through massive depopulation as folk emmigrated to other parts of the nation to find work.  

I have not looked at any statistics that would make me think one way or the other. 

DOM for a market as a whole is not a very useful statistic in my opinion. 

If you're looking at this than you know all the statistics about inmates who don't rehabilitate and end up going back into the system.

I am starting a real estate photography business and I'm trying to find one very specific statistic. 

Also, the statistics show that the majority of these companies usually at least break even after the first year.  

Any responses you get will be anecdotal based on personal experience - you need a significant sample size for any conclusions to be statistically valid.    

Several years ago, title companies began to only offer CLTA policies of title insurance to private parties due to the title statistics that demonstrate; private party claims are disproportionate to the revenues generated by private parties transactions.