t appropriations SARbn US$bn % of GDP Universities 55.7 14.8 23 Saudi Arabian Airlines 28.5 76 1.2 Saline Water Conversion Corporation 15.6 4.2 0.6 General Authority of Civil Aviation (GACA) 15.5 44 0.6 Saudi Post Organization 3.2 0.8 0.1 Grain Silos and Flour Mills Organization 29 0.8 0.1 Saudi Ports Authority 1.8 0.5 0.1 Saudi Ra