Frequencies for first 10,000 rows of me_rout variable in natl2017 dataset :

Final Route |
 and Method |
of Delivery |
          1 |
Spontaneous |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,519       75.19       75.19
          2 |         48        0.48       75.67
          3 |        200        2.00       77.67
          4 |      2,230       22.30       99.97
          9 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Sep 2018