Frequencies for first 10,000 rows of sbunit_cnt variable in pos2015 dataset :

    Subunit |
      Count |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,119       11.19       11.19
          1 |         11        0.11       11.30
          2 |          2        0.02       11.32
          4 |          2        0.02       11.34
         74 |          1        0.01       11.35
          . |      8,865       88.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016