TTM20172016201520142013
Gross margin23.7%23.7%23.9%24.0%23.6%24.5%
Gross margin growth (bps)-20-20-1445-9033
Operating margin-5.0%-5.0%-5.8%-3.6%-11.2%-1.7%
Operating margin growth (bps)8282-219759-946181
Net profit margin-5.2%-5.2%-5.8%-3.4%-11.2%-1.7%
Net profit margin growth (bps)5757-231779-953181