Provisional CAA stats out for December 2011.
Passengers for Dec 2011 were 12,322, up 2.4% compared to Dec 2010. I remember that Heathrow closed due to snow in Dec 2010, but can't remember what happened to MME
Annual passengers for 2011 were 190,284, down 15.3% compared to 2010
As a reference, 1972 saw 162,000 passengers, while 1973 saw 212,000 passengers.
Passenger Figures