Frequencies for first 10,000 rows of econdp_8 variable in linkco1991us_num dataset :

  Part/line |
  number on |
certificate |
          8 |      Freq.     Percent        Cum.
------------+-----------------------------------
          4 |          1        0.01        0.01
          6 |         35        0.35        0.36
          . |      9,964       99.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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