Frequencies for first 10,000 rows of cross_rfrnc_prvdr_num variable in posclia2

  Cross Ref |
   Provider |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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