Frequencies for first 10,000 rows of ld_indl variable in natl2016 dataset :

  Induction |
 of Labor Y |
        Yes |      Freq.     Percent        Cum.
------------+-----------------------------------
          N |      7,364       73.64       73.64
          U |         34        0.34       73.98
          Y |      2,602       26.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 4 Oct 2017