<prompt> Translate the following text to EnglishKaribu thuluthi mbili ya kampuni zilizojibu ziliripoti kuwa zinaruhusu wafanyikazi wao kuweka maili kwa matumizi yao ya kibinafsi, karibu asilimia 20 waliripoti kuwa hawana sera yoyote, na chini ya asilimia 10 waliripoti kuwa wanahitaji wafanyikazi wao kuacha maili waliopokea kwa kampuni.  <response>: About two-thirds of the responding companies reported specifically allowing their employees to retain the miles for their personal use, about 20 percent reported having no policy at all, and under 10 percent reported requiring their employees to relinquish mileage received to the company. 