Frequencies for clmn_num variable in hosp_alpha2552_96_2011_long dataset :

   clmn_num |      Freq.     Percent        Cum.
------------+-----------------------------------
       0000 |      1,566       36.24       36.24
       0100 |      1,502       34.76       71.00
       0101 |          1        0.02       71.03
       0200 |        536       12.40       83.43
       0300 |        345        7.98       91.41
       0400 |        176        4.07       95.49
       0500 |        109        2.52       98.01
       0600 |         86        1.99      100.00
------------+-----------------------------------
      Total |      4,321      100.00

by Jean Roth , jroth@nber.org , 3 Sep 2018