Frequencies for first 10,000 rows of registry variable in usstate19ageswhnonwhoriginadj dataset :

                      Registry |      Freq.     Percent        Cum.
-------------------------------+-----------------------------------
    Registry for non-SEER area |     10,000      100.00      100.00
-------------------------------+-----------------------------------
                         Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 2 Jan 2016