Frequencies for util_cd variable in hcris2552_96_2004 dataset :

utilization |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
          F |      6,174       98.55       98.55
          L |         50        0.80       99.35
          N |         41        0.65      100.00
------------+-----------------------------------
      Total |      6,265      100.00

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