TTM20142013201220112010
Gross margin27.6%24.8%23.7%23.5%23.5%24.7%
Gross margin growth (bps)38310622-6-112125
Operating margin3.9%1.6%4.1%3.8%4.4%4.4%
Operating margin growth (bps)274-25330-65645
Net profit margin1.6%0.1%1.9%2.0%2.5%2.2%
Net profit margin growth (bps)182-181-7-45275