TTM20162015201420132012
Gross margin23.9%24.0%25.3%25.6%28.9%29.0%
Gross margin growth (bps)-109-129-27-335-430
Operating margin0.0%-3.5%-0.5%-2.5%2.0%2.0%
Operating margin growth (bps)-564-303197-4482-72
Net profit margin-6.1%-3.1%-0.3%-1.5%1.3%1.5%
Net profit margin growth (bps)-570-279112-281-17-26