Frequencies for first 10,000 rows of totord9 variable in natl1970 dataset :

Total birth |
      order |
     recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,984       39.84       39.84
          2 |      2,574       25.74       65.58
          3 |      1,417       14.17       79.75
          4 |        785        7.85       87.60
          5 |        431        4.31       91.91
          6 |        235        2.35       94.26
          7 |        152        1.52       95.78
          8 |        379        3.79       99.57
          9 |         43        0.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016