Frequencies for initl_rpt_sw variable in snf_rpt2540_96_1996 dataset :

    initial |
     report |
     switch |      Freq.     Percent        Cum.
------------+-----------------------------------
          N |      9,952       99.45       99.45
          Y |         55        0.55      100.00
------------+-----------------------------------
      Total |     10,007      100.00

by Jean Roth , jroth@nber.org , 17 Feb 2018