Frequencies for mort30amiipstr variable in hvbp_outcome_08_06_2015 dataset :

  MORT-30-AMI |
  Improvement |
       Points |      Freq.     Percent        Cum.
--------------+-----------------------------------
   0 out of 9 |        414       13.54       13.54
   1 out of 9 |         54        1.77       15.31
   2 out of 9 |         51        1.67       16.98
   3 out of 9 |         55        1.80       18.78
   4 out of 9 |         68        2.22       21.00
   5 out of 9 |         67        2.19       23.19
   6 out of 9 |         56        1.83       25.02
   7 out of 9 |         64        2.09       27.12
   8 out of 9 |         77        2.52       29.64
   9 out of 9 |        473       15.47       45.11
Not Available |      1,678       54.89      100.00
--------------+-----------------------------------
        Total |      3,057      100.00

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