Frequencies for n1 variable in countyct1999 dataset :

  Number of |
    returns |      Freq.     Percent        Cum.
------------+-----------------------------------
     44,623 |          1       11.11       11.11
     52,781 |          1       11.11       22.22
     68,066 |          1       11.11       33.33
     77,596 |          1       11.11       44.44
    109,168 |          1       11.11       55.56
    337,070 |          1       11.11       66.67
    352,106 |          1       11.11       77.78
    364,428 |          1       11.11       88.89
    1405838 |          1       11.11      100.00
------------+-----------------------------------
      Total |          9      100.00

by Jean Roth , jroth@nber.org , 23 Jun 2017