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

 tdntnf_ptp |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,801       78.01       78.01
          1 |      1,386       13.86       91.87
          2 |        438        4.38       96.25
          3 |        172        1.72       97.97
          4 |         90        0.90       98.87
          5 |         47        0.47       99.34
          6 |         26        0.26       99.60
          7 |         12        0.12       99.72
          8 |         14        0.14       99.86
          9 |          5        0.05       99.91
         10 |          1        0.01       99.92
         11 |          4        0.04       99.96
         12 |          1        0.01       99.97
         15 |          1        0.01       99.98
         24 |          1        0.01       99.99
         27 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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