Frequencies for first 10,000 rows of statecode2 variable in servarea2015 dataset :

 State Code |      Freq.     Percent        Cum.
------------+-----------------------------------
         AK |         16        0.16        0.16
         AL |         80        0.80        0.96
         AR |        169        1.69        2.65
         AZ |         90        0.90        3.55
         DE |         21        0.21        3.76
         FL |        618        6.18        9.94
         GA |      1,096       10.96       20.90
         IA |        120        1.20       22.10
         IL |        315        3.15       25.25
         IN |        566        5.66       30.91
         KS |        103        1.03       31.94
         LA |        213        2.13       34.07
         ME |         16        0.16       34.23
         MI |        137        1.37       35.60
         MO |      1,018       10.18       45.78
         MS |        224        2.24       48.02
         MT |          1        0.01       48.03
         NC |        428        4.28       52.31
         ND |        117        1.17       53.48
         NH |          1        0.01       53.49
         NJ |        128        1.28       54.77
         NM |          2        0.02       54.79
         NV |          7        0.07       54.86
         OK |        456        4.56       59.42
         OR |          2        0.02       59.44
         PA |      1,500       15.00       74.44
         SC |        134        1.34       75.78
         TN |        473        4.73       80.51
         TX |      1,275       12.75       93.26
         UT |          2        0.02       93.28
         VA |        144        1.44       94.72
         WI |        512        5.12       99.84
         WV |          1        0.01       99.85
         WY |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Dec 2017