Frequencies for first 10,000 rows of bwtr14 variable in linkpe2009psden dataset :

      Birth |
     Weight |
  Recode 14 |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         11        0.11        0.11
          2 |         23        0.23        0.34
          3 |         28        0.28        0.62
          4 |         40        0.40        1.02
          5 |         36        0.36        1.38
          6 |        157        1.57        2.95
          7 |        747        7.47       10.42
          8 |      2,761       27.61       38.03
          9 |      4,150       41.50       79.53
         10 |      1,732       17.32       96.85
         11 |        274        2.74       99.59
         12 |         34        0.34       99.93
         13 |          6        0.06       99.99
         14 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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