Frequencies for first 10,000 rows of therprev variable in namcs2004 dataset :

              was |
couns/educ/therap |
     y ordered or |
        provided? |      Freq.     Percent        Cum.
------------------+-----------------------------------
               No |      5,673       56.73       56.73
              Yes |      4,169       41.69       98.42
Entire item blank |        158        1.58      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016