2017 | 2016 | 2015 | |||||||||||||||||
Chile | Colombia | Total | Chile | Colombia | Total | Chile | Colombia | Total | |||||||||||
MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | MCh$ | |||||||||||
Interest income | 1,067,124 | 579,205 | 1,646,329 | 1,013,951 | 495,252 | 1,509,203 | 501,982 | — | 501,982 | ||||||||||
Interest expense | (529,584 | ) | (333,763 | ) | (863,347 | ) | (554,246 | ) | (315,782 | ) | (870,028 | ) | (278,692 | ) | — | (278,692 | ) | ||
Net interest income | 537,540 | 245,442 | 782,982 | 459,705 | 179,470 | 639,175 | 223,290 | — | 223,290 |