For a country CO2 emissions (million metric tons) from various sectors are given in the following table.
Sector
Year Power Industry Commercial Agriculture Domestic
2005 500 200 150 80 100
2006 600 300 200 90 110
2007 650 320 250 100 120
2008 700 400 300 150 150
2009 800 450 320 200 180
What is the average annual growth rate of CO2 emissions in power sector ?
(A) ~12.57% (B) ~16.87%
(C) ~30.81% (D) ~50.25%