Frequencies for colaop variable in impact1997 dataset :

  Operating |
    Cost of |
     Living |
 Adjustment |
(AK and HI) |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,183       99.20       99.20
       1.15 |          5        0.10       99.29
        1.2 |          2        0.04       99.33
      1.225 |         13        0.25       99.58
       1.25 |         22        0.42      100.00
------------+-----------------------------------
      Total |      5,225      100.00

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