Thailand's consumer confidence index for December went up for the first time in four months, since the great flood began in July, to 21.4 points, while the average inflation rate for 2011 went up to 3.81 percent year on year, permanent secretary for commerce Yanyong Puangrach said on Thursday.

Consumer confidence on future income rose to 43.2 and to 10.1 for job opportunities, Yanyong said.