TTM20162015201420132012
Gross margin38.3%38.3%39.1%40.8%43.1%44.1%
Gross margin growth (bps)-78-78-173-232-97114
Operating margin5.4%5.4%1.8%1.3%3.7%3.5%
Operating margin growth (bps)36736743-23624213
Net profit margin1.9%1.9%-2.9%-2.1%0.5%0.1%
Net profit margin growth (bps)476476-80-25844293