In Q1 of 2013, domestic demand contributed 0.5 percentage point to the expansion, while external demand 0.4 percent point.
Private consumption rose 0.9 percent, the fastest pace since Q3 of 2011 and housing investment grew by 1.9 percent.
Government consumption and public investment increased 0.6 percent and 0.8 percent respectively.
While exports of goods and services grew 3.8 percent, imports expanded 1 percent.
The growth rate for Q4 of 2012 was revised up to 0.3 percent from 0 percent reported previously.