how to count the value of the selected fields of statistics.

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hi, i want to The value of the selected fields of statistics , just like above:

A B C COUNT_1 E F COUNT_2 COUNT_ALL 1 2 3 6 4 5 9 15

my development tool is cr for enterprise 4,

please teache me the step by step that how to count for "COUNT_1","COUNT_2",thanks advanced!