Frequencies for first 10,000 rows of segmentid variable in planreport2018 dataset :

 Segment ID |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |          2        0.02        0.02
          0 |      9,368       93.68       93.70
          1 |        342        3.42       97.12
          2 |        202        2.02       99.14
          3 |         36        0.36       99.50
          4 |         14        0.14       99.64
          5 |         24        0.24       99.88
          6 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org ,