TTM20162015201420132012
Gross margin34.1%34.4%35.2%35.5%35.8%35.5%
Gross margin growth (bps)-61-78-34-303153
Operating margin4.5%5.5%5.6%6.6%6.8%6.4%
Operating margin growth (bps)-86-14-99-264894
Net profit margin2.5%3.2%3.5%4.1%4.3%4.0%
Net profit margin growth (bps)-73-26-60-192959