Frequencies for first 10,000 rows of location variable in sdued2015 dataset :

            Location |      Freq.     Percent        Cum.
---------------------+-----------------------------------
 (61.385, -152.2683) |      3,552       35.52       35.52
(61.3850, -152.2683) |      6,448       64.48      100.00
---------------------+-----------------------------------
               Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Feb 2018