 In May 2003, Banco de México launched a program that sells U.S. dollars via a monthly auction, with the goal of maintaining a stable, but moderate, level of reserves.From April 1, 1998, through April 1, 2008, the Peso traded around a range varying from $8.46 MXN per US$1.00 on April 21, 1998, to $11.69 MXN per US$1.00 on May 11, 2004, a 10-year peak depreciation of 38.18% between the two reference date extremes before recovering.After the onset of the US credit crisis that accelerated in October 2008, the Peso had an exchange rate during October 1, 2008, through April 1, 2009 fluctuating from lowest to highest between $10.96 MXN per US$1.00 on October 1, 2008, to $15.42 MXN per US$1.00 on March 9, 2009, a peak depreciation ytd of 28.92% during those six months between the two reference date extremes before recovering.