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

CROSS_REF_P |
ROVIDER_NUM |
        BER |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Jan 2018