Frequencies for first 10,000 rows of tchnlgst_asct_dgr_cnt variable in pos2000 dataset :

technologis |
 ts - assoc |
     degree |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,986       99.86       99.86
          1 |          4        0.04       99.90
        1.5 |          2        0.02       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 , 17 May 2017