Frequencies for first 10,000 rows of dgnstc_xray_onst_nrsdnt_sw variable in pos1997 dataset :

       srv: |
xray-onsite |
       -non |
  residents |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,410       74.10       74.10
          N |      2,527       25.27       99.37
          Y |         63        0.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017