UCLA Math/Econ Transfer GPA Increase?

According to UCLA’s Profile of Admitted Transfers, the most recent 2015 Fall Transfers have higher GPA’s than last year (2014) in the major Math/Econ. The GPA increase is from 3.75 to 3.96.

Anyone know a reason for this increased competition?

2015 - https://www.admission.ucla.edu/prospect/adm_tr/Tr_Prof15_mjr.htm
2014 - https://www.admission.ucla.edu/prospect/adm_tr/Tr_Prof14_mjr.htm

better class.