Just days after a report from the federal government showed that consumers' credit card debt rose 11.2 percent in May, another revealed that the amount of purchases put on borrowers' accounts for necessity purchases rose considerably as well. According to the latest SpendTrend report from the analysis firm First Data Corporation, the dollar volume on credit card purchases made in May rose 8.2 percent on a year-over-year, up from the 5.8 percent growth observed in April.