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

   Tax Year |      Freq.     Percent        Cum.
------------+-----------------------------------
       1997 |          1        0.01        0.01
       1998 |          2        0.02        0.03
       2003 |          2        0.02        0.05
       2006 |          1        0.01        0.06
       2008 |          1        0.01        0.07
       2009 |          1        0.01        0.08
       2010 |          3        0.03        0.11
       2011 |          1        0.01        0.12
       2012 |          5        0.05        0.17
       2013 |         21        0.21        0.38
       2014 |         14        0.14        0.52
       2015 |        179        1.79        2.31
       2016 |        434        4.34        6.65
       2017 |      4,882       48.82       55.47
       2018 |      3,281       32.81       88.28
       2019 |         24        0.24       88.52
          . |      1,148       11.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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