Frequencies for first 10,000 rows of asth_con variable in namcs2013 dataset :

        Asthma control |      Freq.     Percent        Cum.
-----------------------+-----------------------------------
                 Blank |         46        0.46        0.46
        Not applicable |      9,316       93.16       93.62
       Well controlled |        173        1.73       95.35
   Not well controlled |         22        0.22       95.57
Very poorly controlled |          3        0.03       95.60
       Other - Specify |         11        0.11       95.71
         None recorded |        429        4.29      100.00
-----------------------+-----------------------------------
                 Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017