Frequencies for first 10,000 rows of issuerid2 variable in rate2015 dataset :

  Issuer ID |
 (repeated) |      Freq.     Percent        Cum.
------------+-----------------------------------
      21989 |        138        1.38        1.38
      38344 |        138        1.38        2.76
      38536 |         12        0.12        2.88
      45858 |        552        5.52        8.40
      47904 |        576        5.76       14.16
      58670 |        276        2.76       16.92
      73836 |      8,308       83.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Dec 2017