Since 2007, forests certified to the SFI Standard have grown 75 percent in North America, from 138 million acres to 241 million acres as of April 15, 2013. Total chain-of-custody certified locations have grown from about 500 in 2007 to more than 2,500 as of April 15, 2013, and SFI Certified Sourcing certificates have grown to 245 over this same period.