Frequencies for first 10,000 rows of actvty_onst_nrsdnt_sw variable in pos2016 dataset :

  Services: |
Therapeutic |
- Qualified |
 Activities |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,585       75.85       75.85
          N |      2,381       23.81       99.66
          Y |         34        0.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017