Export Sales for April 29-May 5, 2022.  Wheat:  Net sales of 14,100 metric tons (MT) for 2021/2022--a marketing-year low--were down 88 percent from the previous week and 79 percent from the prior 4-week average. Corn:  Net sales of 192,700 MT for 2021/2022--a marketing-year low--were down 75 percent from the previous week and 80 percent from the prior 4-week average.  Soybeans:  Net sales of 143,700 MT for 2021/2022--a marketing-year low--were down 80 percent from the previous week and 74 percent from the prior 4-week average.  Soybean Cake and Meal:  Net sales of 181,900 MT for 2021/2022 were down 22 percent from the previous week, but up 10 percent from the prior 4-week average.  Soybean Oil:&n...