Frequencies for first 10,000 rows of prov2920 variable in pos1992 dataset :

    special ro text field |      Freq.     Percent        Cum.
--------------------------+-----------------------------------
                          |      9,999       99.99       99.99
                      ACC |          1        0.01      100.00
--------------------------+-----------------------------------
                    Total |     10,000      100.00

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