Frequencies for first 10,000 rows of therprev variable in namcs2001 dataset :

              was |
couns/educ/therap |
     y ordered or |
        provided? |      Freq.     Percent        Cum.
------------------+-----------------------------------
               No |      5,683       56.83       56.83
              Yes |      3,910       39.10       95.93
Entire item blank |        407        4.07      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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