Frequencies for util_cd variable in rnl_rpt265_94_2001 dataset :

utilization |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        123        3.70        3.70
          F |      3,177       95.61       99.31
          L |          9        0.27       99.58
          N |         14        0.42      100.00
------------+-----------------------------------
      Total |      3,323      100.00

by Jean Roth , jroth@nber.org , 17 Feb 2018