Frequencies for clmn_num variable in hclinic_alpha222_92_2018_long dataset :

   clmn_num |      Freq.     Percent        Cum.
------------+-----------------------------------
       0100 |         21       38.89       38.89
       0200 |         12       22.22       61.11
       0300 |          9       16.67       77.78
       0301 |          3        5.56       83.33
       0400 |          6       11.11       94.44
       0500 |          3        5.56      100.00
------------+-----------------------------------
      Total |         54      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2018