* Equity outflows spike to record $6.245 billion * 2011 current account deficit widens to 0.8 pct of GDP By Michael O'Boyle MEXICO CITY, Feb 24 (Reuters) - Mexico drew in a record $31.65 billion of investment into its local-currency debt in 2011, the central bank said on Friday, as global investors sought refuge from Europe's crisis. The total flow into peso debt rose 37 percent from 2010 and foreign investors sank $7.547 billion into debt in the fourth quarter of 2011, the m