Frequencies for first 10,000 rows of ser_tr variable in person dataset : VIN SERIES | TRUCK | Freq. Percent Cum. ------------+----------------------------------- | 798 7.98 7.98 *** | 5,988 59.88 67.86 200 | 1 0.01 67.87 20S | 4 0.04 67.91 300 | 2 0.02 67.93 40S | 2 0.02 67.95 44P | 70 0.70 68.65 500 | 1 0.01 68.66 600 | 29 0.29 68.95 620 | 7 0.07 69.02 700 | 6 0.06 69.08 70S | 2 0.02 69.10 720 | 66 0.66 69.76 80S | 4 0.04 69.80 830 | 1 0.01 69.81 90S | 10 0.10 69.91 930 | 4 0.04 69.95 937 | 4 0.04 69.99 999 | 505 5.05 75.04 ACL | 1 0.01 75.05 AMI | 4 0.04 75.09 ARO | 7 0.07 75.16 AST | 24 0.24 75.40 B20 | 23 0.23 75.63 B22 | 19 0.19 75.82 B26 | 9 0.09 75.91 BRO | 2 0.02 75.93 C10 | 176 1.76 77.69 C15 | 39 0.39 78.08 C20 | 52 0.52 78.60 C25 | 16 0.16 78.76 C30 | 13 0.13 78.89 C35 | 3 0.03 78.92 C50 | 6 0.06 78.98 C60 | 1 0.01 78.99 C65 | 2 0.02 79.01 C6M | 4 0.04 79.05 C6V | 15 0.15 79.20 C96 | 11 0.11 79.31 C97 | 6 0.06 79.37 CCH | 8 0.08 79.45 CGS | 1 0.01 79.46 CHK | 20 0.20 79.66 CLT | 1 0.01 79.67 COE | 63 0.63 80.30 COF | 408 4.08 84.38 COL | 17 0.17 84.55 COM | 4 0.04 84.59 CON | 87 0.87 85.46 COU | 2 0.02 85.48 CPB | 1 0.01 85.49 CTS | 11 0.11 85.60 CTV | 35 0.35 85.95 CVS | 9 0.09 86.04 D10 | 15 0.15 86.19 D15 | 9 0.09 86.28 D20 | 9 0.09 86.37 D21 | 84 0.84 87.21 D30 | 8 0.08 87.29 D5I | 9 0.09 87.38 D95 | 2 0.02 87.40 DAK | 17 0.17 87.57 DC9 | 1 0.01 87.58 ELC | 5 0.05 87.63 EMH | 1 0.01 87.64 EUR | 2 0.02 87.66 FLS | 4 0.04 87.70 FSR | 1 0.01 87.71 FTR | 2 0.02 87.73 GM4 | 116 1.16 88.89 HFD | 1 0.01 88.90 HLX | 6 0.06 88.96 HSG | 1 0.01 88.97 HTC | 5 0.05 89.02 HTP | 113 1.13 90.15 HTW | 4 0.04 90.19 J95 | 1 0.01 90.20 JC9 | 2 0.02 90.22 JEE | 36 0.36 90.58 JET | 2 0.02 90.60 JIM | 2 0.02 90.62 K10 | 43 0.43 91.05 K15 | 17 0.17 91.22 K20 | 3 0.03 91.25 K30 | 3 0.03 91.28 KOD | 1 0.01 91.29 LBX | 1 0.01 91.30 LCH | 2 0.02 91.32 LLN | 9 0.09 91.41 LSB | 1 0.01 91.42 LTC | 1 0.01 91.43 M65 | 1 0.01 91.44 M6V | 1 0.01 91.45 M95 | 1 0.01 91.46 MCV | 1 0.01 91.47 MHC | 6 0.06 91.53 MHV | 18 0.18 91.71 MMX | 9 0.09 91.80 MON | 3 0.03 91.83 MRM | 1 0.01 91.84 MXV | 3 0.03 91.87 NPR | 2 0.02 91.89 NRR | 2 0.02 91.91 P30 | 3 0.03 91.94 P42 | 2 0.02 91.96 P52 | 1 0.01 91.97 P62 | 12 0.12 92.09 PCC | 15 0.15 92.24 PFI | 10 0.10 92.34 PUP | 15 0.15 92.49 R/V | 2 0.02 92.51 R10 | 8 0.08 92.59 R15 | 8 0.08 92.67 R25 | 4 0.04 92.71 R35 | 3 0.03 92.74 R50 | 23 0.23 92.97 RAI | 1 0.01 92.98 RAL | 9 0.09 93.07 RAM | 1 0.01 93.08 RMV | 31 0.31 93.39 RNG | 121 1.21 94.60 ROD | 5 0.05 94.65 ROY | 1 0.01 94.66 RPU | 6 0.06 94.72 RUN | 29 0.29 95.01 S | 142 1.42 96.43 S/V | 16 0.16 96.59 S10 | 2 0.02 96.61 S15 | 26 0.26 96.87 S6M | 16 0.16 97.03 SAF | 8 0.08 97.11 SBS | 2 0.02 97.13 SCT | 3 0.03 97.16 SIE | 22 0.22 97.38 SMR | 18 0.18 97.56 SON | 1 0.01 97.57 SPR | 8 0.08 97.65 SPX | 1 0.01 97.66 SS | 29 0.29 97.95 SXS | 1 0.01 97.96 TNS | 9 0.09 98.05 TRK | 1 0.01 98.06 TRO | 6 0.06 98.12 V15 | 8 0.08 98.20 V20 | 1 0.01 98.21 V25 | 1 0.01 98.22 VAN | 138 1.38 99.60 VWG | 3 0.03 99.63 W10 | 6 0.06 99.69 W15 | 6 0.06 99.75 W20 | 1 0.01 99.76 WAG | 5 0.05 99.81 WCN | 3 0.03 99.84 X44 | 7 0.07 99.91 XCB | 7 0.07 99.98 XCN | 1 0.01 99.99 XCO | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016