Frequencies for first 10,000 rows of sbunit_cnt variable in pos2018 dataset :

    Subunit |
      Count |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,068       10.68       10.68
          1 |          6        0.06       10.74
          2 |          2        0.02       10.76
          4 |          2        0.02       10.78
         74 |          1        0.01       10.79
          . |      8,921       89.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019