Frequencies for colaop variable in impact2000 dataset :

  Operating |
    Cost of |
     Living |
 Adjustment |
(AK and HI) |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,973       99.14       99.14
       1.15 |          5        0.10       99.24
      1.225 |          7        0.14       99.38
       1.25 |         31        0.62      100.00
------------+-----------------------------------
      Total |      5,016      100.00

by Jean Roth , jroth@nber.org , 17 Mar 2016