Ok, I downloaded upgrade. This was what I found. Customer id goes from 1-142, skips 143,144, and 145, resumes 146-173. I don't if this means anything.
Last name appears ok.
Address is weird. For all practical purposes seems to break into 3 sections: 1st goes a,e,j,p,c,m,l, second a to w, third r,c,a,s,h,l,m,b,c,s,e,t,s.
Untill I really use Gohpher, I don't know if this will make a difference or not.