TTM20132012201120102009
Gross margin26.7%26.4%26.8%26.8%26.9%26.6%
Gross margin growth (bps)36-421-628-7
Operating margin3.1%2.5%2.9%2.7%3.0%3.2%
Operating margin growth (bps)58-3614-30-2115
Net profit margin1.1%0.8%1.0%0.7%0.7%0.9%
Net profit margin growth (bps)37-19263-24-16