Frequencies for first 10,000 rows of gestrec10 variable in linkpe2009psden dataset :

  Gestation |
  Recode 10 |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.02        0.02
          2 |         79        0.79        0.81
          3 |        169        1.69        2.50
          4 |        209        2.09        4.59
          5 |      1,181       11.81       16.40
          6 |      3,822       38.22       54.62
          7 |      2,139       21.39       76.01
          8 |      1,353       13.53       89.54
          9 |        538        5.38       94.92
         10 |        501        5.01       99.93
         99 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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