Frequencies for first 10,000 rows of recsize variable in pos1988 dataset :

Record Size |
       PG - |
    Program |
  Generated |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          1        0.01        0.01
        428 |        171        1.71        1.72
        440 |        392        3.92        5.64
        452 |      1,030       10.30       15.94
        500 |        267        2.67       18.61
        524 |      1,859       18.59       37.20
        674 |      6,280       62.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016