Frequencies for rollupcount variable in count2552_96 dataset :

     Rollup |
      Count |      Freq.     Percent        Cum.
------------+-----------------------------------
        751 |          1        5.88        5.88
       7676 |          1        5.88       11.76
    1297233 |          1        5.88       17.65
    2089948 |          1        5.88       23.53
    2110964 |          1        5.88       29.41
    2112844 |          1        5.88       35.29
    2137240 |          1        5.88       41.18
    2144772 |          1        5.88       47.06
    2159689 |          1        5.88       52.94
    2165265 |          1        5.88       58.82
    2171108 |          1        5.88       64.71
    2262210 |          1        5.88       70.59
    2566986 |          1        5.88       76.47
    2582243 |          1        5.88       82.35
    2626734 |          1        5.88       88.24
    2689544 |          1        5.88       94.12
    2706674 |          1        5.88      100.00
------------+-----------------------------------
      Total |         17      100.00

by Jean Roth , jroth@nber.org , 6 Sep 2018