TTM20142013201220112010
Gross margin46.1%48.1%50.6%51.8%54.7%52.8%
Gross margin growth (bps)-312-252-116-298189749
Operating margin-14.2%-7.6%1.2%3.6%6.8%6.6%
Operating margin growth (bps)-1,059-881-245-31511739
Net profit margin-10.4%-5.4%0.9%2.7%4.8%4.4%
Net profit margin growth (bps)-792-631-179-21041582