Frequencies for util_cd variable in hcris2552_96_2008 dataset :

utilization |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
          F |      6,147       99.02       99.02
          L |         27        0.43       99.45
          N |         34        0.55      100.00
------------+-----------------------------------
      Total |      6,208      100.00

by Jean Roth , jroth@nber.org , 12 Sep 2018