Frequencies for first 10,000 rows of clia_id_number_4 variable in pos2012 datas

CLIA_ID_NUM |
      BER_4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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