CREATE TABLE table_3448 ("Country" TEXT, "Population in 2011  ( In thousands ) " FLOAT, "GDP  ( nominal )  in 2011  (  USD millions ) " FLOAT, "GDP  ( nominal )  per capita" FLOAT, "GDP  ( PPP )  in 2011  (  USD millions ) " FLOAT, "GDP  ( PPP )  per capita" FLOAT, "Merchandise exports  ( $ billions )  ,  2011" TEXT, "Merchandise imports  ( $ billions )  ,  2011" TEXT, "Exports to Mercosur  ( % of each ,  2010 ) " TEXT, "Imports from Mercosur  ( % of each ,  2010 ) " TEXT)

What is the GDP (ppp) in 2011 when the imports from Mercosur is 48.8?
SELECT MIN("GDP (PPP) in 2011 ( USD millions)") FROM table_3448 WHERE "Imports from Mercosur (% of each, 2010)" = '48.8'
SELECT MIN("GDP (PPP) in 2011 ( USD millions)") FROM "table_3448" WHERE "Imports from Mercosur (% of each, 2010)" = '48.8'