Frequencies for first 10,000 rows of rehab_unit_efctv_dt variable in pos2010 dataset : REHABILITAT | ION UNIT | EFFECT DATE | Freq. Percent Cum. ------------+----------------------------------- | 9,797 97.97 97.97 19831001 | 4 0.04 98.01 19831010 | 1 0.01 98.02 19840101 | 11 0.11 98.13 19840201 | 1 0.01 98.14 19840401 | 3 0.03 98.17 19840601 | 1 0.01 98.18 19840616 | 1 0.01 98.19 19840701 | 13 0.13 98.32 19840901 | 1 0.01 98.33 19840902 | 1 0.01 98.34 19841001 | 1 0.01 98.35 19841201 | 1 0.01 98.36 19850101 | 5 0.05 98.41 19850701 | 6 0.06 98.47 19850901 | 2 0.02 98.49 19851001 | 2 0.02 98.51 19860101 | 1 0.01 98.52 19860105 | 1 0.01 98.53 19860401 | 1 0.01 98.54 19860501 | 1 0.01 98.55 19860601 | 1 0.01 98.56 19860701 | 3 0.03 98.59 19870101 | 1 0.01 98.60 19870317 | 1 0.01 98.61 19870601 | 1 0.01 98.62 19870604 | 1 0.01 98.63 19870701 | 1 0.01 98.64 19870909 | 1 0.01 98.65 19880101 | 1 0.01 98.66 19880601 | 1 0.01 98.67 19880701 | 1 0.01 98.68 19881001 | 2 0.02 98.70 19890101 | 2 0.02 98.72 19900101 | 2 0.02 98.74 19900703 | 2 0.02 98.76 19910607 | 1 0.01 98.77 19910701 | 1 0.01 98.78 19910911 | 1 0.01 98.79 19920601 | 1 0.01 98.80 19920701 | 4 0.04 98.84 19920826 | 1 0.01 98.85 19920901 | 2 0.02 98.87 19921101 | 1 0.01 98.88 19930101 | 2 0.02 98.90 19930211 | 1 0.01 98.91 19930401 | 1 0.01 98.92 19930517 | 1 0.01 98.93 19930601 | 2 0.02 98.95 19930701 | 3 0.03 98.98 19930723 | 1 0.01 98.99 19930801 | 2 0.02 99.01 19931108 | 1 0.01 99.02 19940101 | 3 0.03 99.05 19940627 | 1 0.01 99.06 19940701 | 3 0.03 99.09 19940901 | 1 0.01 99.10 19941001 | 1 0.01 99.11 19941101 | 1 0.01 99.12 19941201 | 1 0.01 99.13 19950101 | 2 0.02 99.15 19950330 | 1 0.01 99.16 19950331 | 1 0.01 99.17 19950424 | 1 0.01 99.18 19950701 | 1 0.01 99.19 19951001 | 1 0.01 99.20 19960101 | 2 0.02 99.22 19960301 | 1 0.01 99.23 19960701 | 2 0.02 99.25 19960930 | 1 0.01 99.26 19970101 | 3 0.03 99.29 19970701 | 2 0.02 99.31 19970919 | 1 0.01 99.32 19971001 | 2 0.02 99.34 19971231 | 1 0.01 99.35 19980101 | 1 0.01 99.36 19980331 | 1 0.01 99.37 19980406 | 1 0.01 99.38 19980430 | 1 0.01 99.39 19980501 | 1 0.01 99.40 19980526 | 1 0.01 99.41 19980615 | 1 0.01 99.42 19980701 | 3 0.03 99.45 19980826 | 1 0.01 99.46 19980901 | 2 0.02 99.48 19981103 | 1 0.01 99.49 19981118 | 1 0.01 99.50 19990101 | 3 0.03 99.53 19990630 | 1 0.01 99.54 19990701 | 2 0.02 99.56 20000101 | 1 0.01 99.57 20000201 | 1 0.01 99.58 20000601 | 1 0.01 99.59 20010101 | 1 0.01 99.60 20010901 | 1 0.01 99.61 20020601 | 1 0.01 99.62 20020701 | 2 0.02 99.64 20030422 | 1 0.01 99.65 20030701 | 2 0.02 99.67 20031112 | 1 0.01 99.68 20040401 | 1 0.01 99.69 20040701 | 1 0.01 99.70 20040810 | 1 0.01 99.71 20041101 | 1 0.01 99.72 20041119 | 1 0.01 99.73 20050101 | 2 0.02 99.75 20050110 | 1 0.01 99.76 20050125 | 1 0.01 99.77 20050317 | 1 0.01 99.78 20050701 | 3 0.03 99.81 20050901 | 1 0.01 99.82 20060101 | 1 0.01 99.83 20060201 | 1 0.01 99.84 20060628 | 1 0.01 99.85 20060724 | 1 0.01 99.86 20060906 | 1 0.01 99.87 20061001 | 1 0.01 99.88 20061027 | 1 0.01 99.89 20070101 | 1 0.01 99.90 20070323 | 1 0.01 99.91 20080101 | 3 0.03 99.94 20080701 | 2 0.02 99.96 20081030 | 1 0.01 99.97 20090101 | 2 0.02 99.99 20100701 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017