proc format; 
        value $repfmt 
              'TFB'='Bynum' 
              'MDC'='Crowley' 
              'WKK'='King'; 
        value cntyfmt 
              12='Durham' 
              45='Wake' 
              13='Orange';
     run;
     proc print data=vcrsales; 
        var salesrep type unitsold; 
        format salesrep $repfmt.; 
     run;

When you create list reports, you can control how values are listed and summed. For example, if your data is sorted or indexed, you can group observations by values of a specified variable, and then request subtotals for these groups. You can even modify the headings for these groups.

     proc print data=sales;
        var region salesrep unitsold net;
        by region salesrep;
        id region salesrep;
        sum unitsold net;
        sumby salesrep;
     run;