TTM20162015201420132012
Gross margin62.4%62.4%61.9%62.5%63.0%63.1%
Gross margin growth (bps)4949-61-53-12210
Operating margin12.4%12.4%12.4%14.3%14.4%12.6%
Operating margin growth (bps)-2-2-189-618292
Net profit margin7.7%7.7%7.6%9.2%9.3%7.7%
Net profit margin growth (bps)1111-163-415950