TTM20162015201420132012
Gross margin52.5%52.4%49.3%52.1%53.9%53.7%
Gross margin growth (bps)223311-279-17317-75
Operating margin-2.7%-1.0%-1.2%2.8%6.9%6.1%
Operating margin growth (bps)-1,01720-396-41383-90
Net profit margin-9.1%-7.6%-0.9%2.0%4.4%3.6%
Net profit margin growth (bps)-851-665-293-24085-64