Frequencies for ser_tr variable in vehnit dataset : VIN SERIES | TRUCK | Freq. Percent Cum. ------------+----------------------------------- | 1 0.09 0.09 *** | 622 55.73 55.82 200 | 1 0.09 55.91 20S | 1 0.09 56.00 300 | 1 0.09 56.09 40S | 11 0.99 57.08 600 | 7 0.63 57.71 700 | 4 0.36 58.06 70S | 1 0.09 58.15 720 | 1 0.09 58.24 80S | 2 0.18 58.42 90S | 1 0.09 58.51 920 | 3 0.27 58.78 940 | 2 0.18 58.96 999 | 52 4.66 63.62 ACA | 1 0.09 63.71 ARO | 1 0.09 63.80 AST | 2 0.18 63.98 B23 | 3 0.27 64.25 B25 | 1 0.09 64.34 B30 | 1 0.09 64.43 C10 | 2 0.18 64.61 C15 | 1 0.09 64.70 C30 | 1 0.09 64.78 C35 | 1 0.09 64.87 C50 | 1 0.09 64.96 C55 | 1 0.09 65.05 C65 | 1 0.09 65.14 C6V | 2 0.18 65.32 C75 | 1 0.09 65.41 CAL | 1 0.09 65.50 CAR | 2 0.18 65.68 CHA | 1 0.09 65.77 CHK | 4 0.36 66.13 CMD | 2 0.18 66.31 CNV | 1 0.09 66.40 COF | 42 3.76 70.16 COL | 1 0.09 70.25 CON | 53 4.75 75.00 CSC | 1 0.09 75.09 CSR | 3 0.27 75.36 CTV | 4 0.36 75.72 D15 | 1 0.09 75.81 D20 | 2 0.18 75.99 DAK | 4 0.36 76.34 DRW | 14 1.25 77.60 ECO | 3 0.27 77.87 ENV | 5 0.45 78.32 EXP | 2 0.18 78.49 FE6 | 1 0.09 78.58 FE8 | 1 0.09 78.67 FH1 | 1 0.09 78.76 FM2 | 7 0.63 79.39 FRT | 2 0.18 79.57 FSR | 1 0.09 79.66 GCK | 12 1.08 80.73 GM4 | 21 1.88 82.62 HIN | 1 0.09 82.71 HTP | 3 0.27 82.97 JMY | 1 0.09 83.06 K15 | 2 0.18 83.24 LIB | 1 0.09 83.33 M/T | 1 0.09 83.42 MCV | 1 0.09 83.51 MHV | 3 0.27 83.78 NPR | 1 0.09 83.87 NQR | 1 0.09 83.96 P20 | 1 0.09 84.05 P30 | 2 0.18 84.23 PRO | 2 0.18 84.41 RID | 1 0.09 84.50 RMV | 5 0.45 84.95 RNG | 18 1.61 86.56 RPC | 25 2.24 88.80 S | 7 0.63 89.43 S/V | 1 0.09 89.52 SAF | 2 0.18 89.70 SAV | 2 0.18 89.87 SIE | 13 1.16 91.04 SIL | 20 1.79 92.83 SON | 1 0.09 92.92 SRW | 4 0.36 93.28 STE | 7 0.63 93.91 STV | 1 0.09 94.00 TAC | 8 0.72 94.71 TOP | 1 0.09 94.80 TSR | 1 0.09 94.89 TTN | 3 0.27 95.16 TUN | 7 0.63 95.79 UDS | 3 0.27 96.06 V10 | 1 0.09 96.15 VAN | 14 1.25 97.40 VGN | 1 0.09 97.49 VTR | 3 0.27 97.76 VVN | 6 0.54 98.30 W/T | 3 0.27 98.57 W30 | 1 0.09 98.66 WCN | 1 0.09 98.75 WIN | 4 0.36 99.10 WRA | 1 0.09 99.19 YUK | 9 0.81 100.00 ------------+----------------------------------- Total | 1,116 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016