Frequencies for first 10,000 rows of statename2 variable in zipcode dataset :

   clean statename for |
             geocoding |      Freq.     Percent        Cum.
-----------------------+-----------------------------------
           CONNECTICUT |        433        4.33        4.33
              DELAWARE |         96        0.96        5.29
    DISTRICTOFCOLUMBIA |        278        2.78        8.07
                 MAINE |        486        4.86       12.93
              MARYLAND |        605        6.05       18.98
         MASSACHUSETTS |        690        6.90       25.88
          NEWHAMPSHIRE |        284        2.84       28.72
             NEWJERSEY |        723        7.23       35.95
               NEWYORK |      2,158       21.58       57.53
          PENNSYLVANIA |      2,185       21.85       79.38
            PUERTORICO |        176        1.76       81.14
           RHODEISLAND |         90        0.90       82.04
               VERMONT |        309        3.09       85.13
              VIRGINIA |      1,216       12.16       97.29
         VIRGINISLANDS |         16        0.16       97.45
          WESTVIRGINIA |        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/statename2.log | egr