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ANSWER: Obviously, yes.  Because it shows a "one-to-one" relation where no first element is repeated.

If x (first element or domain)= year   and   y (second element or range) = population for each year in '000.000 (rounded off), then the ordered pairs are (I have no data for 2013):

(2006,  87), (2007,  89), ...,  (2015,102)

Please click image below of the values, and graph of the 206 to 2013 population based on the PSA/Central Bank, which you did not provide in your question.  I illustrate how the values is a function through a graph.

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