Frequencies for scipinf1ip variable in hvbp_hai_08_06_2015 dataset :

   SCIP-Inf-1 |
  Improvement |
       Points |      Freq.     Percent        Cum.
--------------+-----------------------------------
           0  |      1,138       37.23       37.23
           1  |         97        3.17       40.40
           2  |         81        2.65       43.05
           3  |        113        3.70       46.75
           4  |        140        4.58       51.32
           5  |        155        5.07       56.40
           6  |        186        6.08       62.48
           7  |        181        5.92       68.40
           8  |        167        5.46       73.86
           9  |        585       19.14       93.00
Not Available |        214        7.00      100.00
--------------+-----------------------------------
        Total |      3,057      100.00

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