Frequencies for first 10,000 rows of ser_tr variable in vehicle dataset : VIN | Series-Truc | k | Freq. Percent Cum. ------------+----------------------------------- | 7 0.07 0.07 *** | 6,191 61.91 61.98 150 | 2 0.02 62.00 300 | 1 0.01 62.01 40S | 1 0.01 62.02 44P | 90 0.90 62.92 600 | 23 0.23 63.15 620 | 19 0.19 63.34 700 | 4 0.04 63.38 720 | 79 0.79 64.17 80S | 1 0.01 64.18 830 | 2 0.02 64.20 8MS | 1 0.01 64.21 930 | 9 0.09 64.30 937 | 3 0.03 64.33 999 | 934 9.34 73.67 A10 | 4 0.04 73.71 AMI | 1 0.01 73.72 ARO | 6 0.06 73.78 AST | 4 0.04 73.82 B20 | 23 0.23 74.05 B22 | 16 0.16 74.21 B26 | 4 0.04 74.25 BRO | 5 0.05 74.30 BUS | 4 0.04 74.34 C/C | 1 0.01 74.35 C10 | 236 2.36 76.71 C15 | 36 0.36 77.07 C20 | 62 0.62 77.69 C25 | 15 0.15 77.84 C30 | 32 0.32 78.16 C35 | 7 0.07 78.23 C50 | 1 0.01 78.24 C5M | 2 0.02 78.26 C60 | 5 0.05 78.31 C65 | 3 0.03 78.34 C6M | 3 0.03 78.37 C6V | 15 0.15 78.52 C96 | 32 0.32 78.84 C97 | 6 0.06 78.90 CAB | 5 0.05 78.95 CAR | 1 0.01 78.96 CCH | 3 0.03 78.99 CGS | 7 0.07 79.06 CHK | 37 0.37 79.43 CLF | 1 0.01 79.44 CLT | 2 0.02 79.46 COE | 81 0.81 80.27 COF | 381 3.81 84.08 COL | 9 0.09 84.17 COM | 7 0.07 84.24 CON | 126 1.26 85.50 COU | 4 0.04 85.54 CPU | 5 0.05 85.59 CRV | 1 0.01 85.60 CTS | 32 0.32 85.92 CTV | 18 0.18 86.10 CVS | 3 0.03 86.13 D10 | 20 0.20 86.33 D15 | 18 0.18 86.51 D20 | 10 0.10 86.61 D21 | 77 0.77 87.38 D30 | 3 0.03 87.41 D5I | 20 0.20 87.61 D95 | 6 0.06 87.67 DAK | 10 0.10 87.77 ELC | 5 0.05 87.82 EMH | 1 0.01 87.83 F70 | 2 0.02 87.85 F95 | 2 0.02 87.87 FH9 | 1 0.01 87.88 FLS | 1 0.01 87.89 FSR | 1 0.01 87.90 GEO | 2 0.02 87.92 GM4 | 58 0.58 88.50 H95 | 3 0.03 88.53 HC9 | 1 0.01 88.54 HFB | 1 0.01 88.55 HFD | 1 0.01 88.56 HFF | 1 0.01 88.57 HI9 | 2 0.02 88.59 HIC | 1 0.01 88.60 HLX | 6 0.06 88.66 HTC | 6 0.06 88.72 HTP | 141 1.41 90.13 HTW | 4 0.04 90.17 INT | 3 0.03 90.20 J75 | 1 0.01 90.21 J95 | 2 0.02 90.23 JEE | 38 0.38 90.61 JET | 3 0.03 90.64 JI9 | 1 0.01 90.65 K10 | 36 0.36 91.01 K15 | 15 0.15 91.16 K20 | 11 0.11 91.27 K25 | 2 0.02 91.29 K30 | 2 0.02 91.31 LB1 | 2 0.02 91.33 LBD | 1 0.01 91.34 LDS | 7 0.07 91.41 LLN | 2 0.02 91.43 LP9 | 1 0.01 91.44 LTC | 8 0.08 91.52 LV1 | 1 0.01 91.53 MCV | 1 0.01 91.54 MGV | 1 0.01 91.55 MHC | 2 0.02 91.57 MHV | 24 0.24 91.81 MK2 | 1 0.01 91.82 MMX | 35 0.35 92.17 MON | 2 0.02 92.19 MRM | 4 0.04 92.23 MSP | 1 0.01 92.24 MVN | 1 0.01 92.25 MXV | 6 0.06 92.31 N95 | 2 0.02 92.33 NPR | 2 0.02 92.35 P30 | 7 0.07 92.42 P52 | 9 0.09 92.51 P62 | 9 0.09 92.60 PAR | 3 0.03 92.63 PCC | 5 0.05 92.68 PFI | 7 0.07 92.75 PUP | 7 0.07 92.82 R/V | 6 0.06 92.88 R10 | 7 0.07 92.95 R15 | 3 0.03 92.98 R20 | 2 0.02 93.00 R25 | 1 0.01 93.01 R30 | 3 0.03 93.04 R35 | 1 0.01 93.05 R50 | 13 0.13 93.18 RAI | 1 0.01 93.19 RAL | 3 0.03 93.22 RAN | 1 0.01 93.23 RBT | 1 0.01 93.24 RC | 1 0.01 93.25 RMV | 17 0.17 93.42 RNG | 129 1.29 94.71 RUN | 29 0.29 95.00 RX | 2 0.02 95.02 S | 104 1.04 96.06 S/V | 1 0.01 96.07 S10 | 6 0.06 96.13 S15 | 17 0.17 96.30 SAF | 4 0.04 96.34 SB5 | 1 0.01 96.35 SBS | 1 0.01 96.36 SCR | 1 0.01 96.37 SCT | 6 0.06 96.43 SDK | 1 0.01 96.44 SIE | 2 0.02 96.46 SMR | 14 0.14 96.60 SPX | 1 0.01 96.61 SS | 26 0.26 96.87 TM7 | 1 0.01 96.88 TNS | 9 0.09 96.97 TRO | 9 0.09 97.06 V10 | 3 0.03 97.09 V15 | 2 0.02 97.11 V30 | 3 0.03 97.14 VAN | 185 1.85 98.99 VVN | 1 0.01 99.00 VWG | 12 0.12 99.12 W/Y | 1 0.01 99.13 W10 | 3 0.03 99.16 W15 | 6 0.06 99.22 W20 | 5 0.05 99.27 W30 | 1 0.01 99.28 WAG | 11 0.11 99.39 WCN | 10 0.10 99.49 WLC | 1 0.01 99.50 WRA | 7 0.07 99.57 X44 | 20 0.20 99.77 XCB | 20 0.20 99.97 XCN | 1 0.01 99.98 XPD | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016