YEARJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECAVE 20111.63%2.11%2.68%3.16%3.57% 20102.63%2.14%2.31%2.24%2.02%1.05%1.24%1.15%1.14%1.17%1.14%1.50%1.64% 20090.03%0.24%-0.38%-0.74%-1.28%-1.43%-2.10%-1.48%-1.29%