TTM20162015201420132012
Gross margin24.1%23.9%24.0%23.6%24.5%24.2%
Gross margin growth (bps)11-1445-9033-127
Operating margin-5.9%-5.8%-3.6%-11.2%-1.7%-3.6%
Operating margin growth (bps)-211-219759-946181-123
Net profit margin-5.8%-5.8%-3.4%-11.2%-1.7%-3.5%
Net profit margin growth (bps)-228-231779-953181-134