Frequencies for first 10,000 rows of wksht_cd variable in snf_nmrc2540_10_2015_ wksht_cd | Freq. Percent Cum. ------------+----------------------------------- A000000 | 1,149 11.49 11.49 A600000 | 8 0.08 11.57 A6000A0 | 20 0.20 11.77 A6000B0 | 6 0.06 11.83 A6000C0 | 8 0.08 11.91 A6000D0 | 12 0.12 12.03 A700000 | 92 0.92 12.95 A800000 | 110 1.10 14.05 A810001 | 255 2.55 16.60 A810002 | 67 0.67 17.27 B000001 | 1,941 19.41 36.68 B000002 | 1,543 15.43 52.11 B100000 | 1,608 16.08 68.19 C000000 | 232 2.32 70.51 D00A181 | 214 2.14 72.65 D00A182 | 11 0.11 72.76 D00A183 | 159 1.59 74.35 D10A181 | 181 1.81 76.16 D10A182 | 34 0.34 76.50 D10A191 | 13 0.13 76.63 D10A192 | 3 0.03 76.66 E00A181 | 76 0.76 77.42 E10A180 | 37 0.37 77.79 G000000 | 249 2.49 80.28 G100000 | 59 0.59 80.87 G200001 | 99 0.99 81.86 G200002 | 24 0.24 82.10 G300000 | 110 1.10 83.20 S000003 | 7 0.07 83.27 S200001 | 41 0.41 83.68 S300001 | 395 3.95 87.63 S300002 | 264 2.64 90.27 S300003 | 383 3.83 94.10 S300004 | 56 0.56 94.66 S300005 | 356 3.56 98.22 S700000 | 178 1.78 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 19 Apr 2018