Frequencies for first 10,000 rows of state variable in drimpair dataset :

      State |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,183       11.83       11.83
          2 |         79        0.79       12.62
          4 |      1,022       10.22       22.84
          5 |        753        7.53       30.37
          6 |      3,894       38.94       69.31
          8 |        618        6.18       75.49
          9 |        448        4.48       79.97
         10 |        140        1.40       81.37
         11 |         31        0.31       81.68
         12 |      1,832       18.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016