Frequencies for first 10,000 rows of tpa_pc_ob variable in t_103113_1 dataset :

  tpa_pc_ob |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,872       98.72       98.72
          1 |        116        1.16       99.88
          2 |          9        0.09       99.97
          3 |          2        0.02       99.99
          6 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 14 Mar 2018