Frequencies for first 10,000 rows of origin_t variable in vindecode dataset : (origin) description | Freq. Percent Cum. ------------------------------+----------------------------------- | 1,004 10.04 10.04 Domestic | 4,773 47.73 57.77 Domestic Sponsored Import | 38 0.38 58.15 IMPORT | 2 0.02 58.17 Import | 2,200 22.00 80.17 Import Built in North America | 1,983 19.83 100.00 ------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016