Frequencies for tax_year variable in eobmfvt dataset :

   Tax Year |      Freq.     Percent        Cum.
------------+-----------------------------------
       2004 |          1        0.02        0.02
       2008 |          1        0.02        0.03
       2010 |          3        0.05        0.08
       2011 |          6        0.10        0.18
       2012 |          5        0.08        0.26
       2013 |         19        0.31        0.57
       2014 |          9        0.15        0.72
       2015 |         70        1.15        1.87
       2016 |        223        3.65        5.52
       2017 |      2,753       45.09       50.61
       2018 |      2,392       39.18       89.80
       2019 |         10        0.16       89.96
          . |        613       10.04      100.00
------------+-----------------------------------
      Total |      6,105      100.00

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