<prompt> Translate the following text to EnglishHata hivyo, simulation ya Constant 2000 National Saving Rate inatoa uboreshaji mkubwa katika viwango vya maisha vya baadaye ikilinganishwa na kuokoa ziada za usalama wa kijamii.  <response>: Yet, the Constant 2000 National Saving Rate simulation yields a vast improvement in future living standards compared to saving the Social Security surpluses. 