Frequencies for first 10,000 rows of blood_srvc_onst_nrsdnt_sw variable in pos2011 dataset :

   Service: |
      Blood |
Administere |
d-Onsite-No |
  nresident |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        354        3.54        3.54
          N |      9,628       96.28       99.82
          Y |         18        0.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Apr 2019