Frequencies for first 10,000 rows of prov1550 variable in pos2010 dataset :

   REGIONAL |
OVERRIDE #2 |
 (STAFFING) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,709       87.09       87.09
          Y |      1,291       12.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016