Frequencies for first 10,000 rows of last_rpt_sw variable in snf_rpt2540_10_201

last report |
     switch |      Freq.     Percent        Cum.
------------+-----------------------------------
          N |      9,941       99.41       99.41
          X |         20        0.20       99.61
          Y |         39        0.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2018