Greece's public debt rose slightly to 168.6 percent of GDP in Q1 of 2013

Greek central government debt rose 3.8 billion euros or 1.3 percent to 168.6 percent of GDP in the first quarter of 2013, according to the Finance Ministry.

Total debt stood at 309.4 billion euros at the end of the first quarter, compared to 305.6 billion at the end of 2012.

The average maturity of Greece’s debt is 15.4 years.