1. Net sales

EUR 1,000 2016 2015



Net sales by market area
Europe, Middle East and Africa 31,875 34,980
Asia Pacific 962 1,366
Americas 14,140 26,131
Net sales total 46,977 62,477



Net sales by type of income
Revenue from contract work recognised by stage of completion 6,470 15,616
Revenue from maintenance and support 16,694 20,769
Revenue from goods and services, external sales 9,250 16,393
Currency exchange gains and losses related to external sales 610 3,111
Revenue from goods and services, intra-group sales 13,953 6,588
Net sales total 46,977 62,477



Order book for contract work 4,961 10,357
Order book for maintenance and support, goods and services 7,417 7,842
Order book total 12,378 18,199



Projects in progress:
Cumulative revenue recognised for projects in progress 8,157 30,417
Cumulative invoicing for projects in progress recognised by stage of completion 6,806 14,619
Accrued income related to construction contracts, work in progress 1,351 15,798



Aggregate amount of costs incurred for projects in progress 432 7,307



On the reporting date, the company has no retentions held by customers. The Group has not received any advances related to projects in progress.