TTM20142013201220112010
Gross margin26.7%26.5%27.5%27.3%28.2%26.8%
Gross margin growth (bps)-50-10426-98143309
Operating margin-2.1%-2.3%-0.3%-0.9%-0.2%-4.1%
Operating margin growth (bps)-92-19860-76396773
Net profit margin-2.7%-3.0%-0.9%-1.4%-0.8%-2.3%
Net profit margin growth (bps)-91-20352-621511,168