Frequencies for first 10,000 rows of latdeg variable in nsrd dataset :

   Latitude |
     Degree |
    Portion |      Freq.     Percent        Cum.
------------+-----------------------------------
         58 |        260        2.60        2.60
         60 |      1,300       13.00       15.60
         61 |      2,080       20.80       36.40
         62 |      1,680       16.80       53.20
         63 |      1,040       10.40       63.60
         64 |      1,300       13.00       76.60
         65 |        260        2.60       79.20
         66 |      1,040       10.40       89.60
         67 |        260        2.60       92.20
         68 |        260        2.60       94.80
         70 |        260        2.60       97.40
         71 |        260        2.60      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Jun 2016