Frequencies for first 10,000 rows of tax_year variable in eobmfnc dataset :

   Tax Year |      Freq.     Percent        Cum.
------------+-----------------------------------
       1992 |          1        0.01        0.01
       1999 |          1        0.01        0.02
       2000 |          1        0.01        0.03
       2002 |          1        0.01        0.04
       2004 |          1        0.01        0.05
       2006 |          4        0.04        0.09
       2007 |          2        0.02        0.11
       2008 |          3        0.03        0.14
       2009 |          5        0.05        0.19
       2010 |          9        0.09        0.28
       2011 |          9        0.09        0.37
       2012 |          8        0.08        0.45
       2013 |         23        0.23        0.68
       2014 |         25        0.25        0.93
       2015 |        167        1.67        2.60
       2016 |        644        6.44        9.04
       2017 |      4,469       44.69       53.73
       2018 |      2,927       29.27       83.00
       2019 |         12        0.12       83.12
          . |      1,688       16.88      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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