Frequencies for scipinf9ipstr variable in hvbp_hai_06_08_2016 dataset :

   SCIP-Inf-9 |
  Improvement |
       Points |      Freq.     Percent        Cum.
--------------+-----------------------------------
   0 out of 9 |        865       28.56       28.56
   1 out of 9 |         74        2.44       31.00
   2 out of 9 |        113        3.73       34.73
   3 out of 9 |        109        3.60       38.33
   4 out of 9 |        115        3.80       42.13
   5 out of 9 |        169        5.58       47.71
   6 out of 9 |        187        6.17       53.88
   7 out of 9 |        230        7.59       61.47
   8 out of 9 |        219        7.23       68.70
   9 out of 9 |        643       21.23       89.93
Not Available |        305       10.07      100.00
--------------+-----------------------------------
        Total |      3,029      100.00

by Jean Roth , jroth@nber.org , 15 Nov 2016