During the second quarter of 2017, Embraer has delivered 35 jets to the Commercial Aviation market and 24 jets to the Business Aviation market, of which 16 were light jets and eight were large jets. The number of deliveries in Commercial Aviation rose roughly 35% over the same period last year. With respect to Executive Jets, the segment delivered five large jets more than in the second quarter of 2016, although in total the company delivered two units less in the second quarter of 2017 compared to the second quarter of 2016. On June 30, Embraer's firm order backlog totaled US$18.5bn.