Frequencies for first 10,000 rows of fyear variable in psfhos201204 dataset :

Fiscal Year |
  (Based on |
  Effective |
      date) |      Freq.     Percent        Cum.
------------+-----------------------------------
       1974 |          1        0.01        0.01
       1992 |          1        0.01        0.02
       1993 |          1        0.01        0.03
       1994 |          1        0.01        0.04
       1995 |          5        0.05        0.09
       1996 |          6        0.06        0.15
       1997 |         16        0.16        0.31
       1998 |      1,467       14.67       14.98
       1999 |        851        8.51       23.49
       2000 |        905        9.05       32.54
       2001 |        842        8.42       40.96
       2002 |        296        2.96       43.92
       2003 |        324        3.24       47.16
       2004 |        328        3.28       50.44
       2005 |        407        4.07       54.51
       2006 |      1,823       18.23       72.74
       2007 |      1,124       11.24       83.98
       2008 |        374        3.74       87.72
       2009 |        333        3.33       91.05
       2010 |        358        3.58       94.63
       2011 |        334        3.34       97.97
       2012 |        203        2.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Feb 2018