Frequencies for first 10,000 rows of statename variable in zipcode dataset : full name of | state/territory | Freq. Percent Cum. --------------------------+----------------------------------- Connecticut | 433 4.33 4.33 Delaware | 96 0.96 5.29 District of Columbia | 278 2.78 8.07 Maine | 486 4.86 12.93 Maryland | 605 6.05 18.98 Massachusetts | 690 6.90 25.88 New Hampshire | 284 2.84 28.72 New Jersey | 723 7.23 35.95 New York | 2,158 21.58 57.53 Pennsylvania | 2,185 21.85 79.38 Puerto Rico | 176 1.76 81.14 Rhode Island | 90 0.90 82.04 Vermont | 309 3.09 85.13 Virgin Islands | 16 0.16 85.29 Virginia | 1,216 12.16 97.45 West Virginia | 255 2.55 100.00 --------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 4 Jan 2016 tail -n+3 /homes/data/zip/sas/2013/desc/zipcode/byvar/tab/statename.log | egre