Frequencies for first 10,000 rows of apgar5r variable in linkpe2009psden dataset :

Five Minute |
      Apgar |
 Recode U;R |
  (f_apgar5 |
  rep flag) |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         32        0.32        0.32
          2 |         54        0.54        0.86
          3 |        551        5.51        6.37
          4 |      9,290       92.90       99.27
          5 |         73        0.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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