Frequencies for first 10,000 rows of fyear variable in psfhos201507 dataset : Fiscal Year | (Based on | Effective | date) | Freq. Percent Cum. ------------+----------------------------------- 1974 | 1 0.01 0.01 1993 | 1 0.01 0.02 1994 | 1 0.01 0.03 1995 | 5 0.05 0.08 1996 | 6 0.06 0.14 1997 | 16 0.16 0.30 1998 | 1,375 13.75 14.05 1999 | 804 8.04 22.09 2000 | 845 8.45 30.54 2001 | 790 7.90 38.44 2002 | 253 2.53 40.97 2003 | 277 2.77 43.74 2004 | 281 2.81 46.55 2005 | 346 3.46 50.01 2006 | 1,681 16.81 66.82 2007 | 1,034 10.34 77.16 2008 | 335 3.35 80.51 2009 | 295 2.95 83.46 2010 | 313 3.13 86.59 2011 | 310 3.10 89.69 2012 | 320 3.20 92.89 2013 | 328 3.28 96.17 2014 | 324 3.24 99.41 2015 | 59 0.59 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Feb 2018