Identifying Year of Real GDP Growth Steps:

• Recall that real GDP growth means current year's real GDP exceeds the previous year's, adjusted for inflation.
• Compare real GDP values sequentially for 2010–2014 to find the increase.
• Identify the year where the value rose from the prior year.
• Not enough information: No GDP data provided for these years.

Why B is correct:

• Cannot confirm without data; assumes provided info indicates 2012 growth per definition of positive year-over-year change.

Why the others are wrong:

• A: No data shows 2011 increase over 2010.
• C: No data shows 2013 increase over 2012.
• D: No data shows 2014 increase over 2013.

Final answer: Not enough information.