TTM20162015201420132012
Gross margin49.2%48.3%46.8%49.3%52.3%54.1%
Gross margin growth (bps)291143-243-298-18753
Operating margin-0.5%-0.6%-6.6%-0.4%5.3%13.0%
Operating margin growth (bps)456604-624-568-772-8
Net profit margin-1.5%-1.6%-7.6%-0.4%0.9%11.7%
Net profit margin growth (bps)485604-722-128-1,08242