TTM20162015201420132012
Gross margin36.1%36.1%35.7%37.6%41.4%44.3%
Gross margin growth (bps)3535-190-380-286427
Operating margin2.0%2.0%-52.7%-22.7%10.3%11.4%
Operating margin growth (bps)5,4705,470-3,001-3,297-110665
Net profit margin-1.0%-1.0%-49.6%-25.5%3.6%4.3%
Net profit margin growth (bps)4,8624,862-2,409-2,913-68451