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

   Tax Year |      Freq.     Percent        Cum.
------------+-----------------------------------
       2004 |          3        0.03        0.03
       2005 |          1        0.01        0.04
       2006 |          1        0.01        0.05
       2008 |          7        0.07        0.12
       2009 |          4        0.04        0.16
       2010 |          2        0.02        0.18
       2011 |          2        0.02        0.20
       2012 |          2        0.02        0.22
       2013 |         14        0.14        0.36
       2014 |         16        0.16        0.52
       2015 |        129        1.29        1.81
       2016 |        295        2.95        4.76
       2017 |      4,809       48.09       52.85
       2018 |      3,436       34.36       87.21
       2019 |         12        0.12       87.33
          . |      1,267       12.67      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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