Overall consumer complaints to the CFPB reached their lowest level in at least a year and a half, according to a new analysis and ranking by Inside the CFPB. Total gripes to the bureau slid 5.0 percent in the first quarter and were off 3.0 percent on an annual basis, data from the CFPB consumer complaint database show. Kvetching about residential mortgages was down slightly more, falling 6.7 percent and 4.1 percent, respectively, for those two time periods. In fact, mortgage-related belly-aching hasn’t been this low since the fourth quarter of 2013. The most dramatic change was seen in the prepaid card space, where criticisms plunged 73.3 percent in 1Q16. ... [with exclusive data chart] ...