Frequencies for first 10,000 rows of rept_cod_num variable in demo2015q4 datase

          rept_cod_num |      Freq.     Percent        Cum.
-----------------------+-----------------------------------
EXP Expedited (15-Day) |      7,270       72.70       72.70
          PER Periodic |      2,730       27.30      100.00
-----------------------+-----------------------------------
                 Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 6 Apr 2017