Frequencies for first 10,000 rows of precare_rec variable in natlterr2011 dataset :

      Month |
   Prenatal |
 Care Began |
 Recode RFP |
 668=f_mpcb |
          R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,176       41.76       41.76
          2 |      1,461       14.61       56.37
          3 |        285        2.85       59.22
          4 |        144        1.44       60.66
          5 |      1,398       13.98       74.64
          . |      2,536       25.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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