Frequencies for first 10,000 rows of rept_cod_num variable in demo2013q1 datase

          rept_cod_num |      Freq.     Percent        Cum.
-----------------------+-----------------------------------
            DIR Direct |          8        0.08        0.08
EXP Expedited (15-Day) |      7,600       76.00       76.08
          PER Periodic |      2,392       23.92      100.00
-----------------------+-----------------------------------
                 Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Apr 2017