Frequencies for util_cd variable in snf_rpt2540_10_2017 dataset :

utilization |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
          F |      1,699       97.93       97.93
          L |         24        1.38       99.31
          N |         12        0.69      100.00
------------+-----------------------------------
      Total |      1,735      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2018