Frequencies for ser_tr variable in vehnit dataset : VIN SERIES | TRUCK | Freq. Percent Cum. ------------+----------------------------------- | 14 0.95 0.95 *** | 766 51.72 52.67 200 | 2 0.14 52.80 30S | 1 0.07 52.87 350 | 1 0.07 52.94 40S | 18 1.22 54.15 44P | 1 0.07 54.22 500 | 1 0.07 54.29 600 | 13 0.88 55.17 70S | 3 0.20 55.37 80S | 2 0.14 55.50 90S | 2 0.14 55.64 910 | 1 0.07 55.71 920 | 6 0.41 56.11 999 | 109 7.36 63.47 ARO | 3 0.20 63.67 AST | 3 0.20 63.88 AVL | 1 0.07 63.94 B20 | 2 0.14 64.08 B22 | 2 0.14 64.21 BVN | 1 0.07 64.28 C10 | 3 0.20 64.48 C15 | 1 0.07 64.55 C45 | 2 0.14 64.69 C55 | 1 0.07 64.75 C5M | 1 0.07 64.82 C65 | 1 0.07 64.89 C6V | 1 0.07 64.96 CAR | 5 0.34 65.29 CCH | 1 0.07 65.36 CHA | 1 0.07 65.43 CHK | 9 0.61 66.04 CLT | 1 0.07 66.10 CMA | 1 0.07 66.17 CNV | 1 0.07 66.24 COE | 3 0.20 66.44 COF | 81 5.47 71.91 COH | 3 0.20 72.11 COL | 4 0.27 72.38 CON | 86 5.81 78.19 CSR | 2 0.14 78.33 CTV | 9 0.61 78.93 CVS | 2 0.14 79.07 CWS | 1 0.07 79.14 D15 | 2 0.14 79.27 D21 | 2 0.14 79.41 D30 | 3 0.20 79.61 DAK | 12 0.81 80.42 DRW | 9 0.61 81.03 ECO | 2 0.14 81.16 ENV | 4 0.27 81.43 ESC | 1 0.07 81.50 ETV | 2 0.14 81.63 FCC | 1 0.07 81.70 FE8 | 2 0.14 81.84 FM2 | 1 0.07 81.90 FRT | 1 0.07 81.97 GCK | 10 0.68 82.65 GM4 | 30 2.03 84.67 HFA | 1 0.07 84.74 HFB | 1 0.07 84.81 HTP | 4 0.27 85.08 HUM | 1 0.07 85.15 JMY | 1 0.07 85.21 K10 | 4 0.27 85.48 K15 | 2 0.14 85.62 KOD | 2 0.14 85.75 LIB | 2 0.14 85.89 MCV | 6 0.41 86.29 MHV | 5 0.34 86.63 NPR | 3 0.20 86.83 NRR | 1 0.07 86.90 P30 | 3 0.20 87.10 R/V | 1 0.07 87.17 R30 | 1 0.07 87.24 RIV | 1 0.07 87.31 RMV | 3 0.20 87.51 RNG | 16 1.08 88.59 RPC | 26 1.76 90.34 S | 14 0.95 91.29 S/V | 3 0.20 91.49 S10 | 1 0.07 91.56 S15 | 1 0.07 91.63 SAF | 2 0.14 91.76 SAV | 2 0.14 91.90 SHL | 1 0.07 91.96 SIE | 15 1.01 92.98 SIL | 19 1.28 94.26 SON | 1 0.07 94.33 SRW | 19 1.28 95.61 SS | 3 0.20 95.81 STE | 5 0.34 96.15 STV | 1 0.07 96.22 T10 | 1 0.07 96.29 TAC | 9 0.61 96.89 TOP | 3 0.20 97.10 TRK | 1 0.07 97.16 TSR | 1 0.07 97.23 TTN | 1 0.07 97.30 TUN | 4 0.27 97.57 UDS | 3 0.20 97.77 VAN | 16 1.08 98.85 VVN | 10 0.68 99.53 W/T | 1 0.07 99.59 W/Y | 1 0.07 99.66 W20 | 1 0.07 99.73 WCN | 1 0.07 99.80 YUK | 3 0.20 100.00 ------------+----------------------------------- Total | 1,481 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016