TTM20162015201420132012
Gross margin44.9%45.5%46.1%45.9%46.0%46.5%
Gross margin growth (bps)-86-5920-9-5022
Operating margin-2.3%0.2%-1.2%-2.1%-3.4%3.5%
Operating margin growth (bps)-18213797124-686461
Net profit margin-3.0%-0.5%-1.9%-3.0%-15.4%1.5%
Net profit margin growth (bps)-1811401071,244-1,694-924