TTM20162015201420132012
Gross margin46.5%47.2%47.5%46.4%43.8%39.9%
Gross margin growth (bps)-111-33111264385121
Operating margin-4.2%-3.6%-0.7%2.1%-0.2%-9.0%
Operating margin growth (bps)-224-282-289237879-1,158
Net profit margin-5.8%-5.0%-2.2%-0.5%-2.2%-10.5%
Net profit margin growth (bps)-237-289-261171831-1,131