TTM20132012201120102009
Gross margin28.7%29.1%37.4%35.9%37.1%37.8%
Gross margin growth (bps)-608-826144-119-66N/A
Operating margin-18.6%-24.0%-3.7%-7.3%-5.3%-8.4%
Operating margin growth (bps)-520-2,025357-197306N/A
Net profit margin-23.4%-26.0%-5.8%-10.1%-16.1%-24.4%
Net profit margin growth (bps)-747-2,026430605829-1,423