How did Walmart enter Guatemala and which store formats does it operate?

Walmart acquired 33% of CARHCO in 2005, the holding company that included La Fragua (Guatemala) and CSU (Costa Rica); in 2009 Walmart de México completed the acquisition of Walmart Centroamérica across five countries. In Guatemala it runs the Walmart format (hypermarket; seven Paiz stores converted in May 2011), Supertiendas Paiz (founded in 1959, with the Paiz brand dating from 1928), Despensa Familiar (discount) and Maxi Despensa. Regional scale was 731 stores at the end of 2016 according to Wikipedia and ‘more than 900 stores’ across five countries according to the corporate site, with no country breakdown.