Frequencies for tax_month variable in eobmfhi dataset :

  tax_month |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         23        0.28        0.28
          2 |         26        0.32        0.60
          3 |        101        1.25        1.85
          4 |         26        0.32        2.17
          5 |         90        1.11        3.28
          6 |      1,169       14.43       17.71
          7 |         92        1.14       18.85
          8 |        143        1.77       20.61
          9 |        208        2.57       23.18
         10 |         28        0.35       23.53
         11 |         20        0.25       23.77
         12 |      4,512       55.70       79.47
          . |      1,663       20.53      100.00
------------+-----------------------------------
      Total |      8,101      100.00

by Jean Roth , jroth@nber.org , 15 Apr 2019