Frequencies for econdp_4 variable in linkco1995us_unl dataset :

  Part/line |
  number on |
certificate |
          4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.28        0.28
          2 |          8        1.13        1.41
          3 |         12        1.69        3.11
          4 |         35        4.94        8.05
          5 |          2        0.28        8.33
          6 |         67        9.46       17.80
          . |        582       82.20      100.00
------------+-----------------------------------
      Total |        708      100.00

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