Frequencies for first 10,000 rows of prov0735 variable in pos1993 dataset :

technologis |
 ts - assoc |
     degree |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,949       99.49       99.49
          1 |         28        0.28       99.77
       1.25 |          1        0.01       99.78
          2 |         11        0.11       99.89
          3 |          3        0.03       99.92
          4 |          2        0.02       99.94
          5 |          2        0.02       99.96
          7 |          1        0.01       99.97
          8 |          1        0.01       99.98
         20 |          1        0.01       99.99
         30 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016