TTM20172016201520142013
Gross margin20.3%20.3%19.7%22.7%23.5%23.9%
Gross margin growth (bps)5252-292-79-42-113
Operating margin-5.1%-5.1%-2.3%-1.8%-7.3%2.5%
Operating margin growth (bps)-278-278-46542-979-153
Net profit margin-5.5%-5.5%-6.4%-1.2%-7.2%1.5%
Net profit margin growth (bps)8585-518597-863-98