<prompt> Translate the following text to SwahiliThe last year of CBOs projection period was 2011, permitting the calculation of calendar year values through 2010.  <response>: Mwaka wa mwisho wa kipindi cha makadirio ya CBO ulikuwa 2011, ikiruhusu mahesabu ya maadili ya mwaka wa kalenda hadi 2010. 