5. Costs for materials €/000 386,266

The percentage accounting for net revenues decreased, from 58.0% in the first half of 2012 to 57.5% in the current period following the lower impact of purchases of scooters from the Chinese subsidiary Zongshen Piaggio Foshan, which are sold on European and Asian markets and whose value during the half year amounted to €/000 13,991 (€/000 19,626 in the first half of 2012). The following table details the content of this item:

1st half of 2013 1st half of 2012 Change
In thousands of euros  
Raw, ancillary materials, consumables and goods 423,049 490,608 (67,559)
Change in inventories of raw, ancillary materials, consumables and goods (28,817) (16,872) (11,945)
Change in work in progress of semifinished and finished products (7,966) (30,437) 22,471
Total costs for purchases 386,266 443,299 (57,033)