Sam
Valmiki verse 1-1-97 is the one that has Rama ruling for 11000 years:
Originally posted by: "Valmikiramayan.net"
dasha varSa sahasraaNi dasha varSa shataani ca |
raamo raajyam upaasitvaa brahma lokam prayaasyati || 1-1-97
97. raamaH= Rama; dasha varSa sahasraaNi= ten, years, thousand; dasa varsha sataani ca= ten, years, hundred, also; raajyam upaasitvaa= kingdom, on reverencing; brahma lokam gamishhyati= Brahma's abode, voyages.
"On reverencing the kingdom for ten thousand years plus another one thousand years, i.e. for a total of eleven thousand years, Rama voyages to the abode of Brahma... [1-1-97]
Only thing - in the Uttarkand, they never break it up. In the verses I cited above, both mention 10000 years. I think the post Sita period, he ruled for 1000 years rather than 10000, but I'm still looking for evidence to back that up.