Frequencies for first 10,000 rows of to_lt50doc variable in t_103113_1 dataset 

 to_lt50doc |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,166       91.66       91.66
          1 |        408        4.08       95.74
          2 |        166        1.66       97.40
          3 |         76        0.76       98.16
          4 |         48        0.48       98.64
          5 |         35        0.35       98.99
          6 |         21        0.21       99.20
          7 |         22        0.22       99.42
          8 |          6        0.06       99.48
          9 |          4        0.04       99.52
         10 |         10        0.10       99.62
         11 |          8        0.08       99.70
         12 |         11        0.11       99.81
         14 |          4        0.04       99.85
         15 |          3        0.03       99.88
         16 |          4        0.04       99.92
         17 |          1        0.01       99.93
         18 |          3        0.03       99.96
         19 |          1        0.01       99.97
         22 |          1        0.01       99.98
         23 |          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