Frequencies for first 10,000 rows of prov5680 variable in pos1998 dataset :

surety bond |
  indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,965       99.65       99.65
          N |         32        0.32       99.97
          W |          2        0.02       99.99
          Y |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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