Frequencies for first 10,000 rows of nuclr_mdcn_tchncn_cnt variable in pos2005 dataset :

    nuclear |
   medicine |
technicians |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,977       99.77       99.77
        .25 |          4        0.04       99.81
         .5 |          1        0.01       99.82
          1 |         12        0.12       99.94
        1.1 |          1        0.01       99.95
          2 |          3        0.03       99.98
          3 |          1        0.01       99.99
          7 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017