Export Sales for Dec 2-8, 2022   Wheat: Net sales of 469,000 metric tons (MT) for 2022/2023 primarily for unknown destinations (164,000 MT), South Korea (89,400 MT), Japan (64,200 MT, including decreases of 1,000 MT), Mexico (55,100 MT, including decreases of 300 MT), and Taiwan (42,800 MT), were offset by reductions primarily for China (65,000 MT).  Export Shipments of 255,900 MT were primarily to Japan (62,500 MT), Mexico (62,400 MT), South Korea (58,900 MT), Nigeria (33,000 MT), and Guatemala (24,000 MT).    Corn:  Net sales of 958,900 MT for 2022/2023 were primarily for Guatemala (196,400 MT, including 14,700 MT switched from El Salvador), Mexico (170,800 MT, including decreases of 30,800 MT), unknown des...