Frequencies for util_cd variable in hcris2552_96_1998 dataset :

utilization |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
          F |      6,219       98.29       98.29
          L |         57        0.90       99.19
          N |         51        0.81      100.00
------------+-----------------------------------
      Total |      6,327      100.00

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