Frequencies for first 10,000 rows of reasonforcrosswalk variable in planxw2015 dataset :

 Reason for |
  Crosswalk |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,750       57.50       57.50
          1 |         54        0.54       58.04
          2 |      2,801       28.01       86.05
          5 |        139        1.39       87.44
          6 |      1,256       12.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Dec 2017