Frequencies for first 10,000 rows of ld_nvpr variable in natlterr2011 dataset :

 Non-Vertex |
Presentatio |
      n RFP |
610=f_ld_nv |
      rtx R |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,536       25.36       25.36
          N |      6,273       62.73       88.09
          U |      1,092       10.92       99.01
          Y |         99        0.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015