Frequencies for first 10,000 rows of SBUNIT_CNT variable in pos2011 dataset :

   Subunits |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,280       12.80       12.80
          1 |         13        0.13       12.93
          2 |          4        0.04       12.97
          4 |          2        0.02       12.99
         74 |          1        0.01       13.00
          . |      8,700       87.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2019