loans 27,513 28,774 32,236 (4.4)% (14.7)% Liability under unmatured import bills 17,745 20,510 19,041 (13.5)% (6.8)% Letters of credit 22,116 27,006 35,822 (18.1)% (38.3)% Other commitments Underwriting
(%) September 2017 December 2016 Avals to bills 8,187 7,424 5,529 10.3% 48.1% Guarantees of loans 20,445 20,192 18,001 1.3% 13.6% Liability under unmatured import bills 16,394 14,597 17,921 12.3% (8.5)% Letters
December 2019 March 2019 Change (%) December 2019 March 2019 Avals to bills 5,826 7,598 6,876 (23.3)% (15.3)% Guarantees of loans 31,737 27,513 31,489 15.4% 0.8% Liability under unmatured import bills 20,753