<prompt> Translate the following text to EnglishKwa mfano, utafiti huo ulionyesha kwamba asilimia ya kampuni zinazotumia na kusimamia maili za ndege za mara kwa mara zilizopokelewa na wasafiri wao ilipungua kutoka asilimia 9 mwaka 1994 hadi asilimia 4 mwaka 1996.  <response>: Specifically, the survey showed that the proportion of companies managing and using frequent flyer miles received by their travelers fell from 9 percent in 1994 to 4 percent in 1996. 