Create data set. Create the data set.

data pollen;
input Week Workdays Pollen @@;
datalines;
1 1 50 1 2 96 1 3 28 1 4 94 1 5 124 2 1 204 2 2 153 2 3 43 2 4 21 2 5 60
3 1 37 3 2 23 3 3 57 3 4 21 3 5 65 4 1 8 4 2 144 4 3 22 4 4 141 4 5 95
;
run;