<prompt> Translate the following text to SwahiliIn an era of stronger productivity growth, which may just now be showing up in statistics, the speed limit is probably 3 to 3 e a year.  <response>: Katika enzi ya ukuaji wa uzalishaji mkubwa, ambayo inaweza kuwa sasa tu inaonekana katika takwimu, kiwango cha kasi ni pengine 3 hadi 3 kwa mwaka. 