Frequencies for first 10,000 rows of sbunit_cnt variable in pos2016 dataset :

    Subunit |
      Count |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,017       10.17       10.17
          1 |         11        0.11       10.28
          2 |          2        0.02       10.30
          4 |          2        0.02       10.32
         74 |          1        0.01       10.33
          . |      8,967       89.67      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017