Frequencies for first 10,000 rows of econdp_5 variable in linkco1991us_num dataset :

  Part/line |
  number on |
certificate |
          5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.01        0.01
          2 |         23        0.23        0.24
          3 |         76        0.76        1.00
          4 |         77        0.77        1.77
          5 |         11        0.11        1.88
          6 |        680        6.80        8.68
          . |      9,132       91.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015