Frequencies for first 10,000 rows of prov1640 variable in pos1995 dataset :

      prior |
    rescind |
 suspension |
       date |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,997       99.97       99.97
     920522 |          1        0.01       99.98
     920922 |          1        0.01       99.99
     931020 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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