Frequencies for first 10,000 rows of actvty_onst_nrsdnt_sw variable in pos2018 dataset :

  Services: |
Therapeutic |
- Qualified |
 Activities |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,570       75.70       75.70
          N |      2,403       24.03       99.73
          Y |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019