Frequencies for first 10,000 rows of uca_clubft variable in natl2006 dataset :

  Club Foot |
        RFP |
768=f_uca_c |
      lub U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          7        0.07        0.07
          2 |      9,845       98.45       98.52
          9 |        148        1.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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