Frequencies for first 10,000 rows of state_rgn_cd variable in pos2005 dataset :

      state |
region code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         82        0.82        0.82
        001 |      3,803       38.03       38.85
         AZ |      1,068       10.68       49.53
        BAK |         99        0.99       50.52
        BER |        280        2.80       53.32
         BK |        301        3.01       56.33
        BK1 |         34        0.34       56.67
         FR |        291        2.91       59.58
         L1 |        424        4.24       63.82
         L2 |        296        2.96       66.78
         L3 |        153        1.53       68.31
         L4 |        282        2.82       71.13
         L5 |        258        2.58       73.71
         M2 |          1        0.01       73.72
        ORG |        219        2.19       75.91
        RIV |        147        1.47       77.38
        RWC |        222        2.22       79.60
         S1 |        355        3.55       83.15
         S2 |         14        0.14       83.29
         S3 |        213        2.13       85.42
         SA |         48        0.48       85.90
         SB |         42        0.42       86.32
         SD |        360        3.60       89.92
        SDS |         82        0.82       90.74
         SF |        194        1.94       92.68
         SJ |        242        2.42       95.10
         SR |         79        0.79       95.89
        TUC |        241        2.41       98.30
        VEN |        170        1.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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