Frequencies for ami7aip variable in hvbp_ami_02_25_2014 dataset :

     AMI-7a |
Improvement |
     Points |      Freq.     Percent        Cum.
------------+-----------------------------------
          7 |          2        0.07        0.07
          . |      2,726       99.93      100.00
------------+-----------------------------------
      Total |      2,728      100.00

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