;December 2016;December 2017;Percentage change; Banks;;;; Total assets;4913794;5144136;4.7; Net interest income;70432;76883;9.2; Pre-tax profit;54357;59128;8.8; Mortgage companies;;;; Total assets;2027918;2148105;5.9; Net interest income;14400;17377;20.7; Pre-tax profit;4827;7793;61.4;