TTM20162015201420132012
Gross margin24.0%23.9%24.0%23.6%24.5%24.2%
Gross margin growth (bps)27-1445-9033-127
Operating margin-5.0%-5.8%-3.6%-11.2%-1.7%-3.6%
Operating margin growth (bps)42-219759-946181-123
Net profit margin-5.1%-5.8%-3.4%-11.2%-1.7%-3.5%
Net profit margin growth (bps)23-231779-953181-134