TTM20162015201420132012
Gross margin19.7%19.7%22.7%23.5%23.9%25.0%
Gross margin growth (bps)-292-292-79-42-113266
Operating margin-2.3%-2.3%-1.8%-7.3%2.5%4.1%
Operating margin growth (bps)-46-46542-979-153170
Net profit margin-6.4%-6.4%-1.2%-7.2%1.5%2.4%
Net profit margin growth (bps)-518-518597-863-98104