Frequencies for b_1_c18_37 variable in snf_rollup2540_96_2011 dataset :

 b_1_c18_37 |      Freq.     Percent        Cum.
------------+-----------------------------------
       9632 |          1        0.06        0.06
      26014 |          1        0.06        0.11
      35682 |          1        0.06        0.17
     123131 |          1        0.06        0.22
     166073 |          1        0.06        0.28
     175271 |          1        0.06        0.33
     175818 |          1        0.06        0.39
     251372 |          1        0.06        0.44
     350938 |          1        0.06        0.50
     363721 |          1        0.06        0.55
     368880 |          1        0.06        0.61
     401749 |          1        0.06        0.66
     402092 |          1        0.06        0.72
     429429 |          1        0.06        0.77
     474435 |          1        0.06        0.83
     583053 |          1        0.06        0.88
     633752 |          1        0.06        0.94
     635862 |          1        0.06        1.00
     731879 |          1        0.06        1.05
     786391 |          1        0.06        1.11
    1002721 |          1        0.06        1.16
          . |      1,788       98.84      100.00
------------+-----------------------------------
      Total |      1,809      100.00

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