Frequencies for mort30amiip variable in hvbp_outcome_02_18_2015 dataset :

  MORT-30-AMI |
  Improvement |
       Points |      Freq.     Percent        Cum.
--------------+-----------------------------------
           0  |        414       13.42       13.42
           1  |         54        1.75       15.18
           2  |         51        1.65       16.83
           3  |         55        1.78       18.61
           4  |         68        2.20       20.82
           5  |         68        2.20       23.02
           6  |         56        1.82       24.84
           7  |         64        2.08       26.91
           8  |         77        2.50       29.41
           9  |        473       15.34       44.75
Not Available |      1,704       55.25      100.00
--------------+-----------------------------------
        Total |      3,084      100.00

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