Frequencies for first 10,000 rows of state_rgn_cd variable in pos2008 dataset :

      state |
region code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         88        0.88        0.88
        001 |      4,008       40.08       40.96
         AZ |      1,158       11.58       52.54
        BAK |         90        0.90       53.44
        BER |        267        2.67       56.11
         BK |        284        2.84       58.95
        BK1 |         20        0.20       59.15
         FR |        232        2.32       61.47
         L1 |        374        3.74       65.21
         L2 |        297        2.97       68.18
         L3 |        179        1.79       69.97
         L4 |        282        2.82       72.79
         L5 |        252        2.52       75.31
         M2 |          3        0.03       75.34
        ORG |        195        1.95       77.29
        RIV |        118        1.18       78.47
        RWC |        213        2.13       80.60
         S1 |        339        3.39       83.99
         S2 |         14        0.14       84.13
         S3 |        193        1.93       86.06
         SA |         42        0.42       86.48
         SB |         35        0.35       86.83
         SD |        326        3.26       90.09
        SDS |         80        0.80       90.89
         SF |        182        1.82       92.71
         SJ |        210        2.10       94.81
         SR |         78        0.78       95.59
        TUC |        284        2.84       98.43
        VEN |        157        1.57      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017