TTM20162015201420132012
Gross margin36.3%36.3%34.4%36.3%35.9%36.2%
Gross margin growth (bps)186186-19341-28-36
Operating margin-0.3%-0.3%-1.3%0.1%0.0%-4.0%
Operating margin growth (bps)9696-14114398-95
Net profit margin-1.3%-1.3%-1.8%-0.2%-0.4%-4.7%
Net profit margin growth (bps)4646-15719432389