Export Sales and Shipments for February 10-16, 2023   Wheat:  Net sales of 338,800 metric tons (MT) for 2022/2023 were up 62 percent from the previous week and 39 percent from the prior 4-week average. Export shipments of 338,000 MT were down 32 percent from the previous week and 25 percent from the prior 4-week average.  Corn:  Net sales of 823,200 MT for 2022/2023 were down 20 percent from the previous week and 30 percent from the prior 4-week average. Export shipments of 687,400 MT were up 3 percent from the previous week and 7 percent from the prior 4-week average.  Soybeans:  Net sales of 544,900 MT for 2022/2023 were up 20 percent from the previous week, but down 18 percent from the prior 4-week a...