Frequencies for first 10,000 rows of prov0735 variable in pos1995 dataset :

technologis |
 ts - assoc |
     degree |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,987       99.87       99.87
          1 |          4        0.04       99.91
        1.5 |          1        0.01       99.92
          2 |          7        0.07       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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