Frequencies for clmn_num variable in hclinic_alpha222_92_2017_long dataset :

   clmn_num |      Freq.     Percent        Cum.
------------+-----------------------------------
       0000 |      4,751       50.13       50.13
       0100 |      2,336       24.65       74.77
       0200 |        854        9.01       83.78
       0300 |        957       10.10       93.88
       0301 |        121        1.28       95.16
       0400 |        245        2.58       97.74
       0500 |        139        1.47       99.21
       0600 |         75        0.79      100.00
------------+-----------------------------------
      Total |      9,478      100.00

by Jean Roth , jroth@nber.org , 24 Aug 2018