I couldn't find an exact number, but their 2017 10-K has the statement "Business-to-consumer shipments [represented] more than 50% of total U.S. Domestic Packag

I couldn't find an exact number, but their 2017 10-K has the statement "Business-to-consumer shipments [represented] more than 50% of total U.S. Domestic Package volume". http://phx.corporate-ir.net/External.File?item=UGFyZW50SUQ9Njg5NjYzfENoaWxkSUQ9NDAxNzAyfFR5cGU9MQ==&t=1 http://phx.corporate-ir.net/External.File?item=UGFyZW50SUQ9N...