Frequencies for first 10,000 rows of wt_cod variable in demo2011q4 dataset :

       Unit |
abbreviatio |
      n for |
  patient's |
     weight |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,224       72.24       72.24
         KG |      2,689       26.89       99.13
        LBS |         87        0.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Dec 2015