selectifnull(up_value,'no pref set')'skin',(count(*)*100)/(selectcount(*)fromuserleftjoinuser_propertiesonup_user=user_idandup_property='skin'innerjoinrecentchangesonrc_user=user_idandrc_type<=3andrc_user<>0)'percent of edits'fromuserleftjoinuser_propertiesonup_user=user_idandup_property='skin'innerjoinrecentchangesonrc_user=user_idandrc_type<=3andrc_user<>0groupbyup_valueorderby2desc;