Export Sales for January 21-27, 2022  Wheat:  Net sales of 57,500 metric tons (MT) for 2021/2022 were down 92 percent from the previous week and 83 percent from the prior 4-week average.  Corn:  Net sales of 1,175,200 MT for 2021/2022 were down 16 percent from the previous week, but up 47 percent from the prior 4-week average.  Soybeans:  Net sales of 1,095,500 MT for 2021/2022 were up 7 percent from the previous week and 56 percent from the prior 4-week average.  Soybean Cake and Meal:  Net sales of 605,500 MT for 2021/2022--a marketing-year high--were up 83 percent from the previous week and up noticeably from the prior 4-week average.    Soybean Oil:  Net sales of 4,100 MT for 2...