TTM20162015201420132012
Gross margin40.8%40.7%43.0%44.0%44.3%44.4%
Gross margin growth (bps)-112-226-100-25-1733
Operating margin14.5%15.7%20.5%22.3%22.8%23.0%
Operating margin growth (bps)-421-484-178-50-1974
Net profit margin9.4%10.0%13.2%14.1%14.4%14.6%
Net profit margin growth (bps)-266-311-94-32-2037