Frequencies for first 10,000 rows of foll_seq variable in demo2005q3 dataset :

        The |
   sequence |
number of a |
   followup |
     report |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,564       85.64       85.64
         #1 |          2        0.02       85.66
          1 |        979        9.79       95.45
         10 |          1        0.01       95.46
         11 |          2        0.02       95.48
         12 |          4        0.04       95.52
          2 |        283        2.83       98.35
          3 |        102        1.02       99.37
          4 |         34        0.34       99.71
          5 |         13        0.13       99.84
          6 |          7        0.07       99.91
          7 |          3        0.03       99.94
          8 |          5        0.05       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Dec 2015