TTM20162015201420132012
Gross margin52.8%52.4%49.3%52.1%53.9%53.7%
Gross margin growth (bps)135311-279-17317-75
Operating margin-2.5%-1.0%-1.2%2.8%6.9%6.1%
Operating margin growth (bps)-1,02820-396-41383-90
Net profit margin-9.4%-7.6%-0.9%2.0%4.4%3.6%
Net profit margin growth (bps)-878-665-293-24085-64