Frequencies for first 10,000 rows of monthest variable in usint dataset :

   Calendar |
   Month of |
   Estimate |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        816        8.16        8.16
          2 |        816        8.16       16.32
          3 |        816        8.16       24.48
          4 |        820        8.20       32.68
          5 |        816        8.16       40.84
          6 |        816        8.16       49.00
          7 |      1,020       10.20       59.20
          8 |        816        8.16       67.36
          9 |        816        8.16       75.52
         10 |        816        8.16       83.68
         11 |        816        8.16       91.84
         12 |        816        8.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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