Frequencies for first 10,000 rows of srvy_prpse_cd variable in pos2007 dataset :

    type of |
     action |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,018       30.18       30.18
          2 |      6,485       64.85       95.03
          3 |        263        2.63       97.66
          4 |         11        0.11       97.77
          5 |        222        2.22       99.99
          8 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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