Frequencies for first 10,000 rows of smsarfip variable in natlterr1996 dataset : FIPS SMSA | of | Residence | Freq. Percent Cum. ------------+----------------------------------- 0000 | 1,679 16.79 16.79 0060 | 352 3.52 20.31 0470 | 414 4.14 24.45 1310 | 784 7.84 32.29 4840 | 661 6.61 38.90 6360 | 1,059 10.59 49.49 7440 | 5,051 50.51 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015