Solar panel usage of silver has skyrocketed, with an estimated 64 million ounces used in 2010 up from 28.5 million ounces in 2009, and demand is likely to grow as there is an increased emphasis on ???green energy.??? It represented the biggest increase in fabrication demand, and in 2011 is expected to rise 15.2%, to 73.7 million ounces, but remains vulnerable to government incentives. [SH: also no