Frequencies for ftnt_id variable in vwhqi_hosp_spp dataset :

    ftnt_id |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,258       98.07       98.07
          j |         64        1.93      100.00
------------+-----------------------------------
      Total |      3,322      100.00

by Jean Roth , jroth@nber.org , 16 Nov 2016