TTM20162015201420132012
Gross margin44.6%46.9%47.7%47.0%51.7%53.5%
Gross margin growth (bps)-311-8069-469-175117
Operating margin9.0%13.9%14.2%14.0%21.8%26.3%
Operating margin growth (bps)-536-2420-784-447498
Net profit margin5.5%8.6%8.7%8.5%13.2%15.9%
Net profit margin growth (bps)-332-618-467-270486