Frequencies for first 10,000 rows of util_cd variable in snf_rpt2540_96_1997 da

utilization |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
          F |      9,424       94.24       94.24
          L |        374        3.74       97.98
          N |        202        2.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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