Second quarter   First six months 12 month Jan–Dec
% 2013 2012   2013 2012 rolling values 2012
Trucks 4.0 8.5   2.3 8.1 2.7 5.7
Construction Equipment 8.3 13.9   6.5 12.8 4.9 8.9
Buses 0.3 3.7   (1.0) 2.3 (1.6) 0.2
Volvo Penta 13.4 12.5   9.8 9.5 7.3 7.2
Volvo Aero 16.2   15.1 14.3 14.9
Industrial Operations 4.0 9.0   2.3 8.4 2.4 5.7
Volvo Group 4.5 9.3   2.9 8.7 2.9 6.0