<prompt> Translate the following text to SwahiliBritain won, on average, 17 gold medals per Olympics in the five official games held in its imperial heyday before World War I. That average has dropped to only five medals per Olympics in the 17 held since.  <response>: Uingereza ilishinda medali 17 za dhahabu kwa kila Olimpiki katika michezo mitano rasmi iliyofanyika katika enzi yake ya kifalme kabla ya Vita Kuu ya Kwanza ya Dunia, na wastani huo umeshuka hadi medali tano tu kwa kila Olimpiki katika michezo 17 iliyofanyika tangu wakati huo. 