Frequencies for first 10,000 rows of rf_artec variable in natl2012 dataset :

      Asst. |
Reproductiv |
          e |
 Technology |
        RFP |
592=f_rf_ce |
      sar R |      Freq.     Percent        Cum.
------------+-----------------------------------
            |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 5 May 2016