Frequencies for first 10,000 rows of cntyres variable in natl2001 dataset : County of | Residence | Freq. Percent Cum. ------------+----------------------------------- 01008 | 245 2.45 2.45 01037 | 1,581 15.81 18.26 01045 | 593 5.93 24.19 01049 | 1,010 10.10 34.29 01051 | 534 5.34 39.63 01052 | 247 2.47 42.10 01063 | 369 3.69 45.79 01999 | 5,262 52.62 98.41 04999 | 2 0.02 98.43 10003 | 1 0.01 98.44 10017 | 1 0.01 98.45 10046 | 1 0.01 98.46 10999 | 37 0.37 98.83 11060 | 1 0.01 98.84 11106 | 3 0.03 98.87 11999 | 17 0.17 99.04 18056 | 1 0.01 99.05 21017 | 1 0.01 99.06 23082 | 1 0.01 99.07 25024 | 9 0.09 99.16 25030 | 27 0.27 99.43 25999 | 28 0.28 99.71 34999 | 1 0.01 99.72 43999 | 23 0.23 99.95 44092 | 1 0.01 99.96 44999 | 1 0.01 99.97 45018 | 1 0.01 99.98 47040 | 1 0.01 99.99 55ZZZ | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015