American Express, Diners Club/Discover, JCB, MasterCard, UnionPay, and Visa brand cards generated 195.56 billion transactions at merchants in 2014, an increase of 24.28 billion or 14.2% over 2013. Visa debit cards continued to account for the most purchase transactions with a share of 36.79%, followed by Visa credit cards with 20.95%, MasterCard credit cards with 13.76%, MasterCard debit cards with 12.58%, UnionPay credit cards with 5.45%, UnionPay debit cards with 4.65%, American Express cards with 3.40%, Diners Club/Discover cards with 1.24%, and JCB cards with 1.18%. Purchase transaction...