Frequencies for colaop variable in impact1999 dataset :

  Operating |
    Cost of |
     Living |
 Adjustment |
(AK and HI) |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,027       99.15       99.15
       1.15 |          5        0.10       99.25
      1.225 |         16        0.32       99.57
       1.25 |         22        0.43      100.00
------------+-----------------------------------
      Total |      5,070      100.00

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