Frequencies for first 10,000 rows of engmfg_t variable in vindecode dataset : (mfr.) | description | Freq. Percent Cum. ----------------+----------------------------------- | 6,560 65.60 65.60 CATERPILLAR | 97 0.97 66.57 CHRYSLER | 384 3.84 70.41 CUMMINS | 295 2.95 73.36 DETROIT DIESEL | 163 1.63 74.99 FIAT | 1 0.01 75.00 FORD | 688 6.88 81.88 GENERAL MOTORS | 956 9.56 91.44 HINO | 14 0.14 91.58 HONDA | 30 0.30 91.88 INTERNATIONAL | 160 1.60 93.48 ISUZU | 62 0.62 94.10 KIA | 6 0.06 94.16 MACK | 35 0.35 94.51 MAZDA | 4 0.04 94.55 MERCEDES-BENZ | 23 0.23 94.78 MITSUBISHI FUSO | 1 0.01 94.79 NISSAN | 233 2.33 97.12 PACCAR | 24 0.24 97.36 TOYOTA | 188 1.88 99.24 Unknown | 45 0.45 99.69 VOLVO | 31 0.31 100.00 ----------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016