Frequencies for first 10,000 rows of segmentid variable in planreport2019 dataset :

 Segment ID |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |          2        0.02        0.02
          0 |      9,303       93.03       93.05
          1 |        397        3.97       97.02
          2 |        221        2.21       99.23
          3 |         31        0.31       99.54
          4 |          8        0.08       99.62
          5 |         26        0.26       99.88
          6 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org ,