Frequencies for first 10,000 rows of srty_bond_cd variable in pos2002 dataset :

surety bond |
  indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,776       97.76       97.76
          N |        205        2.05       99.81
          W |         11        0.11       99.92
          Y |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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