In 2012, a nation's population was 10 million, its real GDP was $1.21 billion, and its GDP

Question:

In 2012, a nation's population was 10 million, its real GDP was $1.21 billion, and its GDP deflator had a value of 121. By 2013, its population had increased to 12 million, its real GDP had risen to $1.5 billion, and its GDP deflator had a value of 125. What was the percentage change in per capita real GDP between 2012 and 2013?