mexico 2003 12 1 the mineral industry of by ivette e torres s gross domestic product gdp was 626 billion 929 based on purchasing power parity in real terms increased slightly 3 after a modest increase 0 8 revised 2002 among largest increases economic activity were construction sector which consumed large portion industrial minerals 4 and mining included natural gas petroleum 7 ation decreased to 5 from although unemployment remained low at it an compared with that when 2 instituto nacional de estadística geográ ca informática 2004 international monetary fund latin focus government policies programs under mexican constitution are part national patrimony law governs is article 27 1992 became effective september amended 1996 covers exploration for production bene ciation this permits up 100 private ownership equity