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

   Tax Year |      Freq.     Percent        Cum.
------------+-----------------------------------
       1998 |          1        0.01        0.01
       2000 |          1        0.01        0.02
       2001 |          1        0.01        0.03
       2004 |          3        0.03        0.06
       2005 |          1        0.01        0.07
       2006 |          5        0.05        0.12
       2007 |          2        0.02        0.14
       2008 |          1        0.01        0.15
       2009 |          3        0.03        0.18
       2010 |         11        0.11        0.29
       2011 |         13        0.13        0.42
       2012 |         16        0.16        0.58
       2013 |         69        0.69        1.27
       2014 |         33        0.33        1.60
       2015 |        136        1.36        2.96
       2016 |        287        2.87        5.83
       2017 |      4,426       44.26       50.09
       2018 |      4,046       40.46       90.55
       2019 |         16        0.16       90.71
          . |        929        9.29      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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