Frequencies for first 10,000 rows of ser_tr variable in person dataset : VIN SERIES | TRUCK | Freq. Percent Cum. ------------+----------------------------------- | 809 8.09 8.09 *** | 5,790 57.90 65.99 10S | 1 0.01 66.00 150 | 2 0.02 66.02 20S | 1 0.01 66.03 250 | 1 0.01 66.04 40S | 17 0.17 66.21 44P | 28 0.28 66.49 600 | 31 0.31 66.80 620 | 6 0.06 66.86 720 | 23 0.23 67.09 80S | 4 0.04 67.13 830 | 3 0.03 67.16 90S | 40 0.40 67.56 920 | 7 0.07 67.63 930 | 3 0.03 67.66 999 | 501 5.01 72.67 ACL | 2 0.02 72.69 ARO | 29 0.29 72.98 ART | 1 0.01 72.99 AST | 28 0.28 73.27 B20 | 22 0.22 73.49 B22 | 10 0.10 73.59 B23 | 5 0.05 73.64 B25 | 1 0.01 73.65 B26 | 1 0.01 73.66 B40 | 3 0.03 73.69 BRO | 14 0.14 73.83 BUS | 1 0.01 73.84 BVN | 12 0.12 73.96 BZR | 3 0.03 73.99 C10 | 109 1.09 75.08 C15 | 30 0.30 75.38 C20 | 27 0.27 75.65 C30 | 15 0.15 75.80 C35 | 3 0.03 75.83 C6V | 2 0.02 75.85 C96 | 11 0.11 75.96 C97 | 3 0.03 75.99 CAR | 1 0.01 76.00 CCH | 4 0.04 76.04 CDC | 1 0.01 76.05 CHK | 78 0.78 76.83 CLU | 2 0.02 76.85 CNV | 4 0.04 76.89 COE | 17 0.17 77.06 COF | 370 3.70 80.76 COH | 1 0.01 80.77 COL | 17 0.17 80.94 COM | 7 0.07 81.01 CON | 235 2.35 83.36 COU | 3 0.03 83.39 CSC | 1 0.01 83.40 CTS | 1 0.01 83.41 CTV | 33 0.33 83.74 CVS | 21 0.21 83.95 D10 | 10 0.10 84.05 D15 | 8 0.08 84.13 D20 | 10 0.10 84.23 D21 | 39 0.39 84.62 D30 | 7 0.07 84.69 D51 | 2 0.02 84.71 D5I | 6 0.06 84.77 DAK | 38 0.38 85.15 FE4 | 1 0.01 85.16 FK4 | 1 0.01 85.17 GCK | 38 0.38 85.55 GM4 | 211 2.11 87.66 H95 | 1 0.01 87.67 HFB | 1 0.01 87.68 HFD | 2 0.02 87.70 HIC | 1 0.01 87.71 HTC | 1 0.01 87.72 HTP | 100 1.00 88.72 INT | 2 0.02 88.74 JEE | 17 0.17 88.91 JET | 5 0.05 88.96 JMY | 9 0.09 89.05 K10 | 36 0.36 89.41 K15 | 13 0.13 89.54 K20 | 4 0.04 89.58 K25 | 4 0.04 89.62 K30 | 1 0.01 89.63 KOD | 1 0.01 89.64 LB1 | 4 0.04 89.68 LLN | 1 0.01 89.69 LTC | 3 0.03 89.72 LUV | 3 0.03 89.75 MHV | 17 0.17 89.92 MMX | 20 0.20 90.12 MRM | 1 0.01 90.13 MVN | 1 0.01 90.14 NAV | 8 0.08 90.22 NPR | 5 0.05 90.27 NRR | 2 0.02 90.29 P30 | 5 0.05 90.34 P42 | 1 0.01 90.35 PUP | 2 0.02 90.37 R/V | 8 0.08 90.45 R10 | 7 0.07 90.52 R15 | 5 0.05 90.57 R20 | 2 0.02 90.59 R25 | 3 0.03 90.62 R50 | 6 0.06 90.68 RAI | 2 0.02 90.70 RAN | 3 0.03 90.73 RBT | 1 0.01 90.74 RMV | 35 0.35 91.09 RNG | 176 1.76 92.85 RPC | 50 0.50 93.35 RRV | 3 0.03 93.38 S | 149 1.49 94.87 S/V | 23 0.23 95.10 S10 | 5 0.05 95.15 S15 | 38 0.38 95.53 SAF | 19 0.19 95.72 SCR | 1 0.01 95.73 SCT | 3 0.03 95.76 SIE | 76 0.76 96.52 SON | 27 0.27 96.79 SPR | 1 0.01 96.80 SPT | 2 0.02 96.82 SS | 13 0.13 96.95 T10 | 11 0.11 97.06 TAC | 14 0.14 97.20 THG | 2 0.02 97.22 TOP | 2 0.02 97.24 TRA | 1 0.01 97.25 TRK | 63 0.63 97.88 TRO | 1 0.01 97.89 UHT | 2 0.02 97.91 V10 | 2 0.02 97.93 V15 | 6 0.06 97.99 V25 | 1 0.01 98.00 VAN | 108 1.08 99.08 VMX | 4 0.04 99.12 VWG | 3 0.03 99.15 W/T | 6 0.06 99.21 W/Y | 34 0.34 99.55 W10 | 3 0.03 99.58 W15 | 5 0.05 99.63 WAG | 3 0.03 99.66 WCN | 9 0.09 99.75 WMX | 4 0.04 99.79 X44 | 10 0.10 99.89 XCB | 5 0.05 99.94 XCN | 2 0.02 99.96 XPD | 1 0.01 99.97 YUK | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016