American Express Membership Rewards - Historical record of Gold Joining Bonuses(UK)

I applied for the gold card in may and only now have i been approved. I cant remember what bonus offer i signed up to. Does anyone remember what offers were on around the middle of May 2012?

Wade your way through the relevant dates in this (http://www.flyertalk.com/forum/british-airways-executive-club/1074943-20-000-ba-miles-35-amex-gold-relaunch.html) thread.....

If referred probably 22k, if direct probably 20k