Mexicos Gross Domestic Product (GDP) in purchasing power parity (PPP) was estimated at US $2,143.499 1000000000 (number) in 2014, and $1,261.642 1000000000 (number) in nominal exchange rates. It is the leader of the MINT (economics) group. Its standard of living, as measured in GDP in PPP per capita, was US $16,900. The World Bank reported in 2009 that Mexicos Gross National Income in market exchange rates was the second highest in Latin America, after Brazil at US $1,830.392 billion, which lead to the highest Gross National Income in the region at $14,400. As such, Mexico is now firmly established as an upper middle-income country. After the slowdown of 2001 the country has recovered and has grown 4.2, 3.0 and 4.8 percent in 2004, 2005 and 2006, even though it is considered to be well below Mexicos potential growth.

Based on the above article, answer a question. What year has the highest growth: 2004, 2005 or 2006?
4.8