TTM20162015201420132012
Gross margin52.8%52.4%49.3%52.1%53.9%53.7%
Gross margin growth (bps)74311-279-17317-75
Operating margin-3.7%-1.0%-1.2%2.8%6.9%6.1%
Operating margin growth (bps)-1,19020-396-41383-90
Net profit margin-11.0%-7.6%-0.9%2.0%4.4%3.6%
Net profit margin growth (bps)-1,035-665-293-24085-64