Greensky,
Your numbers are correct.
One correction though : upgrade time is now 3 years and 5 months. It will increase as we write. At the same time they are delaying upgrades, DECs get in...
Shows you how good they are at obeying their own rules. At the same time they tollerate NO deviation from us. Training not to blame, HR not to blame. I guess it must be our dear English friend from BA....