Frequencies for first 10,000 rows of me_attf variable in natlterr2010 dataset :

  Attempted |
Forceps RFP |
617=f_md_at |
     tfor R |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      4,656       46.56       46.56
          N |      4,898       48.98       95.54
          U |        252        2.52       98.06
          Y |        194        1.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015