TTM20162015201420132012
Gross margin37.1%36.1%35.7%37.6%41.4%44.3%
Gross margin growth (bps)14435-190-380-286427
Operating margin-4.7%2.0%-52.7%-22.7%10.3%11.4%
Operating margin growth (bps)-6375,470-3,001-3,297-110665
Net profit margin-6.8%-1.0%-49.6%-25.5%3.6%4.3%
Net profit margin growth (bps)-5524,862-2,409-2,913-68451