Frequencies for first 10,000 rows of ser_tr variable in person dataset : VIN | Series-Truc | k | Freq. Percent Cum. ------------+----------------------------------- | 824 8.24 8.24 *** | 3,935 39.35 47.59 620 | 1 0.01 47.60 999 | 4,306 43.06 90.66 A10 | 5 0.05 90.71 BR0 | 1 0.01 90.72 BRO | 10 0.10 90.82 C10 | 201 2.01 92.83 C20 | 49 0.49 93.32 C30 | 10 0.10 93.42 C50 | 7 0.07 93.49 C60 | 8 0.08 93.57 C65 | 4 0.04 93.61 CLU | 2 0.02 93.63 COF | 300 3.00 96.63 COL | 9 0.09 96.72 CON | 5 0.05 96.77 COU | 8 0.08 96.85 CPU | 3 0.03 96.88 D10 | 23 0.23 97.11 D20 | 17 0.17 97.28 D60 | 3 0.03 97.31 DC9 | 1 0.01 97.32 ELC | 23 0.23 97.55 HI9 | 1 0.01 97.56 HLX | 13 0.13 97.69 HTW | 3 0.03 97.72 J90 | 1 0.01 97.73 K10 | 31 0.31 98.04 K20 | 17 0.17 98.21 KOM | 4 0.04 98.25 L60 | 1 0.01 98.26 LCH | 1 0.01 98.27 LTC | 7 0.07 98.34 LUV | 5 0.05 98.39 M65 | 2 0.02 98.41 MHV | 18 0.18 98.59 MXV | 2 0.02 98.61 MXW | 1 0.01 98.62 P30 | 2 0.02 98.64 P52 | 6 0.06 98.70 P62 | 21 0.21 98.91 PAR | 2 0.02 98.93 PL5 | 6 0.06 98.99 RAN | 10 0.10 99.09 RPU | 1 0.01 99.10 SCO | 1 0.01 99.11 SPT | 4 0.04 99.15 TRA | 13 0.13 99.28 VAN | 60 0.60 99.88 W10 | 7 0.07 99.95 W20 | 5 0.05 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Apr 2016