Frequencies for mort30amiip variable in hvbp_outcome_08_26_2016 dataset :

  MORT-30-AMI |
  Improvement |
       Points |      Freq.     Percent        Cum.
--------------+-----------------------------------
           0  |        169        5.60        5.60
           1  |         30        0.99        6.59
           2  |         29        0.96        7.55
           3  |         48        1.59        9.14
           4  |         52        1.72       10.86
           5  |         57        1.89       12.75
           6  |         55        1.82       14.57
           7  |         74        2.45       17.03
           8  |         81        2.68       19.71
           9  |        874       28.95       48.66
Not Available |      1,550       51.34      100.00
--------------+-----------------------------------
        Total |      3,019      100.00

by Jean Roth , jroth@nber.org , 15 Nov 2016