TTM20142013201220112010
Gross margin22.9%22.8%23.6%23.5%24.7%26.3%
Gross margin growth (bps)-47-788-118-15883
Operating margin0.3%-0.9%1.1%0.6%3.2%4.2%
Operating margin growth (bps)-24-19852-262-98117
Net profit margin-0.6%-1.3%0.3%0.6%1.4%1.8%
Net profit margin growth (bps)-52-164-28-79-4464