TTM20162015201420132012
Gross margin27.5%28.3%28.5%28.4%29.0%28.9%
Gross margin growth (bps)-71-203-5810-142
Operating margin-5.1%-2.6%-4.7%0.1%1.8%4.4%
Operating margin growth (bps)-257203-478-165-26425
Net profit margin-5.3%-2.8%-6.2%0.0%1.0%3.3%
Net profit margin growth (bps)-259343-624-102-22494