Create the data set.

data totals; 
input Site $ Quarter Sales Salespersons; 
format Sales dollar12.2;
datalines; 
Lima    1   4043.97    4 
NY       1   8225.26  12 
Rome   1   3543.97    6 
Lima    2   3723.44    5 
NY       2   5558.29  10 
Lima    3   4437.96    8 
NY       3   9847.91  24 
Rome   3   6789.85  14 
Lima    4   6065.57  10 
NY       4 11388.51  26 
Rome   4   8509.08  16 
;