Frequencies for scipinf1ip variable in hvbp_hai_05_28_2013 dataset :

 SCIP-Inf-1 |
Improvement |
     Points |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        847       28.38       28.38
          1 |        103        3.45       31.84
          2 |        109        3.65       35.49
          3 |        155        5.19       40.68
          4 |        150        5.03       45.71
          5 |        192        6.43       52.14
          6 |        237        7.94       60.09
          7 |        245        8.21       68.30
          8 |        230        7.71       76.01
          9 |        593       19.87       95.88
          . |        123        4.12      100.00
------------+-----------------------------------
      Total |      2,984      100.00

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