The amount of coins coming out of the United States Mint surged in May 2011, according to the latest coin production figures from the bureau.The totals were the highest of the year, the second best over the past twelve months, and revealed the final mintages for the Ulysses S. Grant Presidential $1 which launched into circulation May 19.The Mint pressed 807.41 million coins for circulation in May, topping the previous month by 26.1 percent and year ago levels by 22.9 percent.Monthly US Mint Coin Production Figures / MintagesMonth Mintages RankMay 2011 807.41 M 2April 2011 640.17 M 9March 2011 485.5 M 12February 2011 523.14 M 11January 2011 764.73 M 4December 2010 80.200 M 13November 2010 531.46 M 10October 2010 730.22 M 6September 2010 690.02 M 7August 2010 743.78 M 5July...