Frequencies for first 10,000 rows of prov0735 variable in pos1991 dataset :

technologis |
 ts - assoc |
     degree |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,952       99.52       99.52
          1 |         29        0.29       99.81
       1.25 |          1        0.01       99.82
          2 |         10        0.10       99.92
          3 |          2        0.02       99.94
          4 |          1        0.01       99.95
          5 |          2        0.02       99.97
          7 |          1        0.01       99.98
          8 |          1        0.01       99.99
         10 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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