TTM20132012201120102009
Gross margin57.8%57.8%58.3%62.1%62.6%61.3%
Gross margin growth (bps)6-50-378-56135-64
Operating margin2.7%9.9%12.2%16.3%16.5%15.2%
Operating margin growth (bps)-851-236-403-23126152
Net profit margin1.7%6.1%7.6%9.9%10.0%9.2%
Net profit margin growth (bps)-527-146-235-57684