<prompt> Translate the following text to EnglishUchunguzi wa Wizara ya Kazi uligundua kwamba wafanyakazi wa mashamba wahamiaji nchini Marekani hufanya kazi kwa wastani wa wiki 29 kwa mwaka, na mapato ya wastani ya mwaka wa 5,000.  <response>: Department of Labor survey found that migrant farmworkers in the UnitedStates work an average of 29 weeks per year, with annual median incomes of 5,000. 