Frequencies for first 10,000 rows of aafdctim variable in sippp08putm1 dataset :

REC: Allocation flag for TAFDCTIM |      Freq.     Percent        Cum.
----------------------------------+-----------------------------------
                      Not imputed |      9,946       99.46       99.46
Statistical imputation (hot deck) |         54        0.54      100.00
----------------------------------+-----------------------------------
                            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016