Frequencies for n1 variable in countynh1989 dataset :

  Number of |
    returns |      Freq.     Percent        Cum.
------------+-----------------------------------
     16,152 |          1        9.09        9.09
     18,049 |          1        9.09       18.18
     18,663 |          1        9.09       27.27
     24,468 |          1        9.09       36.36
     31,931 |          1        9.09       45.45
     34,580 |          1        9.09       54.55
     45,601 |          1        9.09       63.64
     56,327 |          1        9.09       72.73
    119,315 |          1        9.09       81.82
    161,617 |          1        9.09       90.91
    526,703 |          1        9.09      100.00
------------+-----------------------------------
      Total |         11      100.00

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