Frequencies for util_cd variable in hcris2552_96_1996 dataset :

utilization |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
          F |      6,014       99.21       99.21
          L |         16        0.26       99.47
          N |         32        0.53      100.00
------------+-----------------------------------
      Total |      6,062      100.00

by Jean Roth , jroth@nber.org , 6 Sep 2018