Frequencies for max variable in fpreva1998 dataset :

    maximum |
     length |      Freq.     Percent        Cum.
------------+-----------------------------------
         40 |        641       91.05       91.05
         42 |         12        1.70       92.76
         43 |         29        4.12       96.88
         45 |          6        0.85       97.73
         46 |         16        2.27      100.00
------------+-----------------------------------
      Total |        704      100.00

by Jean Roth , jroth@nber.org , 10 May 2016