Frequencies for scipcard2ipstr variable in hvbp_scip_02_18_2015 dataset :

  SCIP-Card-2 |
  Improvement |
       Points |      Freq.     Percent        Cum.
--------------+-----------------------------------
   0 out of 9 |      1,136       36.84       36.84
   1 out of 9 |         67        2.17       39.01
   2 out of 9 |         81        2.63       41.63
   3 out of 9 |        103        3.34       44.97
   4 out of 9 |        117        3.79       48.77
   5 out of 9 |        144        4.67       53.44
   6 out of 9 |        166        5.38       58.82
   7 out of 9 |        206        6.68       65.50
   8 out of 9 |        165        5.35       70.85
   9 out of 9 |        533       17.28       88.13
Not Available |        366       11.87      100.00
--------------+-----------------------------------
        Total |      3,084      100.00

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