<prompt> Translate the following text to SwahiliThe value of a life year varies based on the age at death, due to the differences in the base VSL between the 65 and older population and the under 65 population.  <response>: Kiwango cha mwaka wa maisha hutofautiana kulingana na umri wa kifo, kutokana na tofauti katika msingi wa VSL kati ya idadi ya watu 65 na zaidi na idadi ya watu chini ya 65. 