Frequencies for first 10,000 rows of prov5680 variable in pos2001 dataset :

surety bond |
  indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,748       97.48       97.48
          N |        226        2.26       99.74
          W |         14        0.14       99.88
          Y |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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