Frequencies for first 10,000 rows of srty_bond_cd variable in pos2000 dataset :

surety bond |
  indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,790       97.90       97.90
          N |        185        1.85       99.75
          W |         13        0.13       99.88
          Y |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017