TTM20132012201120102009
Gross margin30.9%33.9%37.4%43.1%38.2%39.9%
Gross margin growth (bps)-269-355-564488-176-134
Operating margin-17.0%-11.1%-6.0%1.0%-13.1%-6.5%
Operating margin growth (bps)-626-513-7001,412-657-209
Net profit margin-17.7%-15.9%-5.4%0.9%-10.9%-4.0%
Net profit margin growth (bps)-218-1,050-6321,179-691-128