Frequencies for first 10,000 rows of prov0030 variable in pos1991 dataset :

  admission |
 suspension |
       date |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,997       99.97       99.97
     871231 |          1        0.01       99.98
     910730 |          1        0.01       99.99
     910921 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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