TTM20162015201420132012
Gross margin50.0%48.3%46.8%49.3%52.3%54.1%
Gross margin growth (bps)324143-243-298-18753
Operating margin0.8%-0.6%-6.6%-0.4%5.3%13.0%
Operating margin growth (bps)380604-624-568-772-8
Net profit margin-0.6%-1.6%-7.6%-0.4%0.9%11.7%
Net profit margin growth (bps)375604-722-128-1,08242