Frequencies for first 10,000 rows of ser_tr variable in person dataset : VIN SERIES | TRUCK | Freq. Percent Cum. ------------+----------------------------------- | 742 7.42 7.42 *** | 4,481 44.81 52.23 10S | 1 0.01 52.24 200 | 2 0.02 52.26 20S | 1 0.01 52.27 250 | 3 0.03 52.30 30S | 29 0.29 52.59 400 | 2 0.02 52.61 40S | 14 0.14 52.75 44P | 35 0.35 53.10 600 | 35 0.35 53.45 620 | 4 0.04 53.49 700 | 3 0.03 53.52 720 | 33 0.33 53.85 80S | 5 0.05 53.90 830 | 1 0.01 53.91 90S | 32 0.32 54.23 910 | 1 0.01 54.24 920 | 12 0.12 54.36 930 | 4 0.04 54.40 937 | 4 0.04 54.44 999 | 642 6.42 60.86 ACL | 1 0.01 60.87 AMI | 2 0.02 60.89 ARO | 107 1.07 61.96 AST | 71 0.71 62.67 B20 | 18 0.18 62.85 B22 | 19 0.19 63.04 B23 | 8 0.08 63.12 B26 | 4 0.04 63.16 B30 | 4 0.04 63.20 B40 | 3 0.03 63.23 BII | 43 0.43 63.66 BRA | 2 0.02 63.68 BRO | 36 0.36 64.04 BUS | 1 0.01 64.05 BVN | 3 0.03 64.08 BZR | 36 0.36 64.44 C10 | 111 1.11 65.55 C15 | 48 0.48 66.03 C20 | 21 0.21 66.24 C25 | 4 0.04 66.28 C30 | 10 0.10 66.38 C35 | 3 0.03 66.41 C6V | 5 0.05 66.46 C96 | 5 0.05 66.51 C97 | 1 0.01 66.52 CAR | 96 0.96 67.48 CCH | 3 0.03 67.51 CGS | 2 0.02 67.53 CHA | 6 0.06 67.59 CHK | 38 0.38 67.97 CLT | 1 0.01 67.98 CLU | 18 0.18 68.16 CNV | 3 0.03 68.19 COE | 42 0.42 68.61 COF | 348 3.48 72.09 COH | 3 0.03 72.12 COL | 17 0.17 72.29 COM | 8 0.08 72.37 CON | 225 2.25 74.62 COU | 3 0.03 74.65 CSC | 7 0.07 74.72 CTA | 10 0.10 74.82 CTS | 2 0.02 74.84 CTV | 8 0.08 74.92 CVS | 14 0.14 75.06 CWS | 34 0.34 75.40 D10 | 14 0.14 75.54 D15 | 16 0.16 75.70 D20 | 6 0.06 75.76 D21 | 41 0.41 76.17 D30 | 2 0.02 76.19 D51 | 1 0.01 76.20 D5I | 4 0.04 76.24 DAK | 65 0.65 76.89 DRW | 2 0.02 76.91 DUR | 6 0.06 76.97 ELC | 1 0.01 76.98 ENV | 2 0.02 77.00 EPR | 105 1.05 78.05 EPT | 24 0.24 78.29 FCC | 3 0.03 78.32 FE6 | 1 0.01 78.33 FH9 | 3 0.03 78.36 FK5 | 2 0.02 78.38 FOR | 3 0.03 78.41 FRT | 1 0.01 78.42 FSR | 1 0.01 78.43 GCK | 38 0.38 78.81 GEO | 20 0.20 79.01 GM4 | 283 2.83 81.84 H95 | 3 0.03 81.87 HFF | 1 0.01 81.88 HOM | 1 0.01 81.89 HTP | 118 1.18 83.07 INT | 3 0.03 83.10 J95 | 1 0.01 83.11 JEE | 12 0.12 83.23 JET | 1 0.01 83.24 JMY | 8 0.08 83.32 K10 | 47 0.47 83.79 K15 | 50 0.50 84.29 K20 | 15 0.15 84.44 K25 | 11 0.11 84.55 K30 | 2 0.02 84.57 K35 | 2 0.02 84.59 KOD | 3 0.03 84.62 KTA | 12 0.12 84.74 L/M | 5 0.05 84.79 LCW | 4 0.04 84.83 LDS | 1 0.01 84.84 LTC | 1 0.01 84.85 MAX | 2 0.02 84.87 MC2 | 2 0.02 84.89 MCV | 9 0.09 84.98 MHV | 62 0.62 85.60 ML3 | 1 0.01 85.61 MMX | 11 0.11 85.72 MNS | 5 0.05 85.77 MON | 11 0.11 85.88 MOU | 2 0.02 85.90 MRM | 2 0.02 85.92 MVN | 4 0.04 85.96 MWG | 23 0.23 86.19 NAV | 4 0.04 86.23 NPR | 8 0.08 86.31 NRR | 2 0.02 86.33 ODY | 11 0.11 86.44 P30 | 19 0.19 86.63 P62 | 2 0.02 86.65 PAS | 9 0.09 86.74 PCC | 1 0.01 86.75 PFI | 31 0.31 87.06 PRE | 10 0.10 87.16 PUP | 7 0.07 87.23 QST | 13 0.13 87.36 R/V | 25 0.25 87.61 R20 | 2 0.02 87.63 R25 | 2 0.02 87.65 R30 | 1 0.01 87.66 R35 | 2 0.02 87.68 R50 | 6 0.06 87.74 RAI | 1 0.01 87.75 RAL | 2 0.02 87.77 RAM | 6 0.06 87.83 RMV | 29 0.29 88.12 RMW | 56 0.56 88.68 RNG | 173 1.73 90.41 ROD | 34 0.34 90.75 RPC | 89 0.89 91.64 RRV | 4 0.04 91.68 RUN | 80 0.80 92.48 RV4 | 3 0.03 92.51 S | 149 1.49 94.00 S/V | 22 0.22 94.22 S10 | 44 0.44 94.66 S15 | 9 0.09 94.75 SAF | 20 0.20 94.95 SCR | 1 0.01 94.96 SCT | 4 0.04 95.00 SDK | 3 0.03 95.03 SIE | 62 0.62 95.65 SIL | 2 0.02 95.67 SMR | 9 0.09 95.76 SON | 15 0.15 95.91 SPO | 3 0.03 95.94 SPT | 2 0.02 95.96 SS | 6 0.06 96.02 T10 | 4 0.04 96.06 TAC | 20 0.20 96.26 TOP | 4 0.04 96.30 TRA | 5 0.05 96.35 TRK | 58 0.58 96.93 TRL | 6 0.06 96.99 TRO | 9 0.09 97.08 TSP | 3 0.03 97.11 TSR | 1 0.01 97.12 TWC | 6 0.06 97.18 UDS | 1 0.01 97.19 UHT | 4 0.04 97.23 V10 | 18 0.18 97.41 V15 | 7 0.07 97.48 V20 | 3 0.03 97.51 V25 | 1 0.01 97.52 VAN | 55 0.55 98.07 VFE | 1 0.01 98.08 VGN | 1 0.01 98.09 VLR | 8 0.08 98.17 VOF | 59 0.59 98.76 VTR | 4 0.04 98.80 VVN | 4 0.04 98.84 VWG | 11 0.11 98.95 W/T | 4 0.04 98.99 W/Y | 22 0.22 99.21 W15 | 1 0.01 99.22 W20 | 7 0.07 99.29 W51 | 7 0.07 99.36 WAG | 5 0.05 99.41 WCN | 2 0.02 99.43 WHC | 1 0.01 99.44 WIN | 28 0.28 99.72 WMX | 2 0.02 99.74 WRA | 2 0.02 99.76 X44 | 12 0.12 99.88 XCB | 1 0.01 99.89 XCN | 2 0.02 99.91 YUK | 9 0.09 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016