Frequencies for first 10,000 rows of cap_pps variable in psfhos201710 dataset :

Capital PPS |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,910       99.10       99.10
          B |          4        0.04       99.14
          C |         86        0.86      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Feb 2018