Find a best-fit exponential regression model to predict the population of this demographic in thousands, where the domain is the number of years since 2000. Use the model to predict when the population will reach 500 thousand.
2000: 571.0
2001: 569.3
2002: 564.6
2003: 557.8
2004: 554.2
2005: 550.5
A. 2016
B. 2013
C. 2088
D. 2086