Frequencies for econdp_1 variable in linkco1995us_unl dataset :

  Part/line |
  number on |
certificate |
          1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        695       98.16       98.16
          2 |         11        1.55       99.72
          3 |          1        0.14       99.86
          6 |          1        0.14      100.00
------------+-----------------------------------
      Total |        708      100.00

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