TTM20162015201420132012
Gross margin35.0%35.5%34.7%35.7%36.2%35.8%
Gross margin growth (bps)3483-101-4834-15
Operating margin-0.2%0.1%0.4%2.0%2.4%2.3%
Operating margin growth (bps)-26-26-165-45109
Net profit margin-3.0%-2.4%-2.0%-0.2%-0.1%-0.7%
Net profit margin growth (bps)-82-33-180-1260-31