Key ratios

Key ratios 2012 2011
Net sales Volvo Group, SEK M 303,647 310,367
Operating income Volvo Group, SEK M 17,622 26,899
   Operating income Industrial Operations, SEK M 16,130 25,930
   Operating income Customer Finance, SEK M 1,492 969
Operating margin Volvo Group, % 5.8 8.7
Income after financial items, SEK M 15,355 24,929
Income for the period, SEK M 11,258 18,115
Diluted earnings per share, SEK 5.44 8.75
Dividend per share, SEK 3.001 3.00
Return on shareholders' equity, % 12.9 23.1
Number of permanent employees 98,717 98,162
Share of women, % 17 18
Share of women, Presidents and other senior executives, % 19 17
Employee Engagement Index, % 76 76
Energy consumption, MWh/SEK M 8.5 8.1
CO2 emissions, ton/SEK M 0.8 0.8
Water consumption, m3/SEK M 24.9 26.2
Share of direct material purchasing spend from CSR assessed suppliers, % 66 60

1 According to the Board's proposal.