Frequencies for first 10,000 rows of ser_tr variable in person dataset : VIN SERIES | TRUCK | Freq. Percent Cum. ------------+----------------------------------- | 894 8.94 8.94 *** | 5,910 59.10 68.04 150 | 2 0.02 68.06 250 | 2 0.02 68.08 3/4 | 2 0.02 68.10 300 | 1 0.01 68.11 30S | 3 0.03 68.14 400 | 2 0.02 68.16 40S | 12 0.12 68.28 44P | 48 0.48 68.76 600 | 35 0.35 69.11 620 | 10 0.10 69.21 700 | 1 0.01 69.22 720 | 49 0.49 69.71 80S | 10 0.10 69.81 830 | 1 0.01 69.82 90S | 17 0.17 69.99 920 | 2 0.02 70.01 930 | 5 0.05 70.06 937 | 2 0.02 70.08 999 | 478 4.78 74.86 ARO | 15 0.15 75.01 AST | 18 0.18 75.19 B20 | 13 0.13 75.32 B22 | 2 0.02 75.34 B26 | 9 0.09 75.43 BRO | 12 0.12 75.55 BSP | 4 0.04 75.59 BUS | 2 0.02 75.61 BVN | 11 0.11 75.72 C/C | 1 0.01 75.73 C10 | 160 1.60 77.33 C15 | 40 0.40 77.73 C20 | 25 0.25 77.98 C25 | 5 0.05 78.03 C30 | 10 0.10 78.13 C35 | 4 0.04 78.17 C50 | 2 0.02 78.19 C5M | 1 0.01 78.20 C60 | 2 0.02 78.22 C65 | 1 0.01 78.23 C6V | 3 0.03 78.26 C96 | 9 0.09 78.35 C97 | 4 0.04 78.39 CBF | 1 0.01 78.40 CCH | 2 0.02 78.42 CGS | 1 0.01 78.43 CHK | 45 0.45 78.88 CLT | 2 0.02 78.90 CLU | 5 0.05 78.95 CNV | 1 0.01 78.96 COE | 46 0.46 79.42 COF | 324 3.24 82.66 COL | 12 0.12 82.78 COM | 6 0.06 82.84 CON | 153 1.53 84.37 COU | 4 0.04 84.41 CSC | 2 0.02 84.43 CTS | 6 0.06 84.49 CTV | 18 0.18 84.67 CVS | 13 0.13 84.80 CWS | 7 0.07 84.87 D10 | 4 0.04 84.91 D15 | 16 0.16 85.07 D20 | 5 0.05 85.12 D21 | 36 0.36 85.48 D30 | 8 0.08 85.56 D51 | 5 0.05 85.61 D5I | 10 0.10 85.71 D60 | 1 0.01 85.72 D95 | 1 0.01 85.73 DAK | 39 0.39 86.12 DKM | 1 0.01 86.13 ELC | 3 0.03 86.16 FSR | 2 0.02 86.18 FTR | 1 0.01 86.19 GCK | 20 0.20 86.39 GEO | 1 0.01 86.40 GM4 | 197 1.97 88.37 HFB | 1 0.01 88.38 HLX | 3 0.03 88.41 HTC | 2 0.02 88.43 HTP | 105 1.05 89.48 J95 | 1 0.01 89.49 JC9 | 1 0.01 89.50 JEE | 32 0.32 89.82 K10 | 55 0.55 90.37 K15 | 11 0.11 90.48 K20 | 11 0.11 90.59 K25 | 2 0.02 90.61 KOM | 4 0.04 90.65 L17 | 1 0.01 90.66 LB1 | 5 0.05 90.71 LCH | 1 0.01 90.72 LDS | 2 0.02 90.74 LLN | 5 0.05 90.79 LUV | 12 0.12 90.91 M95 | 1 0.01 90.92 MAX | 2 0.02 90.94 MHC | 8 0.08 91.02 MHV | 16 0.16 91.18 MMX | 14 0.14 91.32 N80 | 1 0.01 91.33 NAV | 1 0.01 91.34 NPR | 8 0.08 91.42 P30 | 10 0.10 91.52 P52 | 2 0.02 91.54 P62 | 1 0.01 91.55 PCC | 22 0.22 91.77 PUP | 5 0.05 91.82 PYS | 1 0.01 91.83 R/V | 2 0.02 91.85 R10 | 4 0.04 91.89 R15 | 2 0.02 91.91 R30 | 7 0.07 91.98 R50 | 6 0.06 92.04 RAL | 4 0.04 92.08 RAM | 1 0.01 92.09 RAN | 4 0.04 92.13 RMV | 19 0.19 92.32 RNG | 151 1.51 93.83 RPC | 11 0.11 93.94 S | 128 1.28 95.22 S/V | 25 0.25 95.47 S10 | 2 0.02 95.49 S15 | 26 0.26 95.75 S50 | 1 0.01 95.76 S6M | 1 0.01 95.77 SAF | 12 0.12 95.89 SBS | 4 0.04 95.93 SCT | 1 0.01 95.94 SIE | 41 0.41 96.35 SON | 12 0.12 96.47 SPT | 7 0.07 96.54 SS | 18 0.18 96.72 T60 | 1 0.01 96.73 T6V | 2 0.02 96.75 TNS | 4 0.04 96.79 TOP | 2 0.02 96.81 TRK | 33 0.33 97.14 UDS | 2 0.02 97.16 UHT | 3 0.03 97.19 UNI | 4 0.04 97.23 V15 | 2 0.02 97.25 V25 | 3 0.03 97.28 VAN | 152 1.52 98.80 VFE | 2 0.02 98.82 VVN | 2 0.02 98.84 VWG | 4 0.04 98.88 W/Y | 28 0.28 99.16 W10 | 6 0.06 99.22 W15 | 6 0.06 99.28 W20 | 17 0.17 99.45 W51 | 1 0.01 99.46 WAG | 16 0.16 99.62 WCN | 8 0.08 99.70 WHC | 2 0.02 99.72 WRA | 9 0.09 99.81 X44 | 11 0.11 99.92 XCB | 6 0.06 99.98 YUK | 1 0.01 99.99 Z2T | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016