Frequencies for first 10,000 rows of sb_size_cd variable in pos2009 dataset :

  SWING BED |
  SIZE CODE |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,762       97.62       97.62
          1 |        177        1.77       99.39
          2 |         61        0.61      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017