Frequencies for scipinf4ip variable in hvbp_hai_05_28_2013 dataset :

 SCIP-Inf-4 |
Improvement |
     Points |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        412       13.81       13.81
          1 |         38        1.27       15.08
          2 |         53        1.78       16.86
          3 |         62        2.08       18.93
          4 |         60        2.01       20.95
          5 |         78        2.61       23.56
          6 |         89        2.98       26.54
          7 |         83        2.78       29.32
          8 |         66        2.21       31.53
          9 |        160        5.36       36.90
          . |      1,883       63.10      100.00
------------+-----------------------------------
      Total |      2,984      100.00

by Jean Roth , jroth@nber.org , 16 Nov 2016