The graph shows changes in GDP in the United States from 2009 to 2011. A bar graph titled Annual growth in U S G D P has the year on the x-axis, from 2009 to 2011, and percentage on the y-axis, from negative 6 to positive 4 percent. The percentage of growth for the services producing sector in 2009 was negative 3 percent, in 2010 it was 2.3 percent, and in 2011 it was 2.1 percent.

How did the contribution of the services sector to GDP change between 2009 and 2011?

It rose by less than 1 percent.
It fell significantly.
It rose significantly.
It stayed exactly the same.