Frequencies for first 10,000 rows of foll_seq variable in demo2004q1 dataset :

        The |
   sequence |
number of a |
   followup |
     report |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,331       83.31       83.31
         #1 |          1        0.01       83.32
          1 |      1,194       11.94       95.26
         10 |          2        0.02       95.28
         11 |          2        0.02       95.30
         12 |          1        0.01       95.31
         15 |          1        0.01       95.32
         17 |          1        0.01       95.33
         18 |          1        0.01       95.34
          2 |        303        3.03       98.37
         24 |          1        0.01       98.38
          3 |         92        0.92       99.30
          4 |         39        0.39       99.69
          5 |         15        0.15       99.84
          6 |          8        0.08       99.92
          7 |          4        0.04       99.96
          8 |          3        0.03       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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