Frequencies for scipcard2ip variable in hvbp_scip_02_07_2013 dataset :

SCIP-Card-2 |
Improvement |
     Points |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        889       29.79       29.79
          1 |         75        2.51       32.31
          2 |         79        2.65       34.95
          3 |        106        3.55       38.51
          4 |        139        4.66       43.16
          5 |        161        5.40       48.56
          6 |        185        6.20       54.76
          7 |        258        8.65       63.40
          8 |        241        8.08       71.48
          9 |        538       18.03       89.51
          . |        313       10.49      100.00
------------+-----------------------------------
      Total |      2,984      100.00

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