Frequencies for util_cd variable in hcris2552_96_2005 dataset :

utilization |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
          F |      6,160       98.59       98.59
          L |         50        0.80       99.39
          N |         38        0.61      100.00
------------+-----------------------------------
      Total |      6,248      100.00

by Jean Roth , jroth@nber.org , 9 Sep 2018