Frequencies for first 10,000 rows of fyestr variable in psfhos201504 dataset : Fiscal Year | End Date - | No Longer | Used | Freq. Percent Cum. ------------+----------------------------------- | 4,698 46.98 46.98 19880430 | 5 0.05 47.03 19881231 | 5 0.05 47.08 19930630 | 1 0.01 47.09 19970122 | 1 0.01 47.10 19970630 | 15 0.15 47.25 19970930 | 7 0.07 47.32 19971231 | 73 0.73 48.05 19980331 | 1 0.01 48.06 19980430 | 1 0.01 48.07 19980630 | 51 0.51 48.58 19980731 | 1 0.01 48.59 19980903 | 1 0.01 48.60 19980926 | 1 0.01 48.61 19980930 | 279 2.79 51.40 19980931 | 1 0.01 51.41 19981031 | 6 0.06 51.47 19981231 | 182 1.82 53.29 19990331 | 15 0.15 53.44 19990430 | 2 0.02 53.46 19990531 | 1 0.01 53.47 19990630 | 166 1.66 55.13 19990731 | 1 0.01 55.14 19990831 | 4 0.04 55.18 19990930 | 14 0.14 55.32 19991031 | 6 0.06 55.38 19991231 | 355 3.55 58.93 20 | 3 0.03 58.96 200 0000 | 15 0.15 59.11 20000000 | 282 2.82 61.93 20000102 | 2 0.02 61.95 20000331 | 12 0.12 62.07 20000531 | 13 0.13 62.20 20000630 | 913 9.13 71.33 20000831 | 1 0.01 71.34 20000930 | 18 0.18 71.52 20001231 | 28 0.28 71.80 20004500 | 5 0.05 71.85 20010331 | 1 0.01 71.86 20010630 | 44 0.44 72.30 20011231 | 8 0.08 72.38 20020331 | 1 0.01 72.39 20020630 | 62 0.62 73.01 20020930 | 4 0.04 73.05 20021031 | 2 0.02 73.07 20021231 | 32 0.32 73.39 20030331 | 10 0.10 73.49 20030430 | 14 0.14 73.63 20030630 | 170 1.70 75.33 20030930 | 2 0.02 75.35 20031031 | 3 0.03 75.38 20031231 | 519 5.19 80.57 20040331 | 12 0.12 80.69 20040630 | 24 0.24 80.93 20040930 | 14 0.14 81.07 20041031 | 23 0.23 81.30 20041231 | 521 5.21 86.51 20050228 | 13 0.13 86.64 20050331 | 64 0.64 87.28 20050630 | 14 0.14 87.42 20050731 | 1 0.01 87.43 20050930 | 71 0.71 88.14 20051031 | 13 0.13 88.27 20051130 | 2 0.02 88.29 20051231 | 127 1.27 89.56 20060101 | 1 0.01 89.57 20060331 | 2 0.02 89.59 20060630 | 15 0.15 89.74 20060731 | 8 0.08 89.82 20060930 | 32 0.32 90.14 20061231 | 307 3.07 93.21 20070131 | 1 0.01 93.22 20070331 | 1 0.01 93.23 20070430 | 9 0.09 93.32 20070630 | 9 0.09 93.41 20070930 | 6 0.06 93.47 20071231 | 160 1.60 95.07 20080331 | 1 0.01 95.08 20080630 | 7 0.07 95.15 20080930 | 10 0.10 95.25 20081231 | 34 0.34 95.59 20090331 | 1 0.01 95.60 20090630 | 7 0.07 95.67 20090930 | 2 0.02 95.69 20091031 | 3 0.03 95.72 20091231 | 84 0.84 96.56 20100630 | 4 0.04 96.60 20100930 | 2 0.02 96.62 20101031 | 1 0.01 96.63 20101231 | 37 0.37 97.00 20110114 | 2 0.02 97.02 20110131 | 4 0.04 97.06 20110430 | 3 0.03 97.09 20110511 | 1 0.01 97.10 20110531 | 1 0.01 97.11 20110630 | 7 0.07 97.18 20110831 | 1 0.01 97.19 20110930 | 2 0.02 97.21 20111220 | 1 0.01 97.22 20111231 | 51 0.51 97.73 20120229 | 1 0.01 97.74 20120301 | 1 0.01 97.75 20120630 | 23 0.23 97.98 20120830 | 1 0.01 97.99 20120930 | 1 0.01 98.00 20121130 | 4 0.04 98.04 20121201 | 1 0.01 98.05 20121213 | 2 0.02 98.07 20121231 | 61 0.61 98.68 20130320 | 1 0.01 98.69 20130630 | 3 0.03 98.72 20130731 | 1 0.01 98.73 20130930 | 1 0.01 98.74 20131001 | 1 0.01 98.75 20131031 | 1 0.01 98.76 20131130 | 1 0.01 98.77 20131206 | 6 0.06 98.83 20131231 | 40 0.40 99.23 20140101 | 1 0.01 99.24 20140305 | 1 0.01 99.25 20140331 | 2 0.02 99.27 20140430 | 3 0.03 99.30 20140501 | 1 0.01 99.31 20140627 | 2 0.02 99.33 20140630 | 11 0.11 99.44 20140701 | 2 0.02 99.46 20140917 | 1 0.01 99.47 20140930 | 1 0.01 99.48 20141031 | 1 0.01 99.49 20141101 | 1 0.01 99.50 20141215 | 1 0.01 99.51 20141231 | 40 0.40 99.91 20151231 | 9 0.09 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Feb 2018