Frequencies for measureenddate variable in hqi_national_img_avg dataset :

Measure End |
       Date |      Freq.     Percent        Cum.
------------+-----------------------------------
  30jun2013 |          6      100.00      100.00
------------+-----------------------------------
      Total |          6      100.00

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