2011 2010
Net sales Volvo Group, SEK M 310,367 264,749
Operating income Volvo Group, SEK M 26,899 18,000
   Operating income Industrial Operations, SEK M 25,957 17,834
   Operating income Customer Finance, SEK M 942 167
Operating margin Volvo Group, % 8.7 6.8
Income after financial items, SEK M 24,929 15,514
Income for the period, SEK M 18,115 11,212
Diluted earnings per share, SEK 8.75 5.36
Dividend per share, SEK 3.001 2.50
Return on shareholders' equity, % 23.1 16.0

1) According to the Board's proposal.