Notes to the consolidated financial statements (IFRS)

2. PERCENTAGE OF COMPLETION
     
EUR million 31 Dec 2015 31 Dec 2014
Income statement related items    
Contract sales recognized under percentage of completion accounting during the financial year 126.7 196.5
Other sales 1 333.4 1 326.0
Net sales 1 460.1 1 522.5
     
Accumulated amount recognized from percentage of completion based contract sales since inception for contracts open at the end of the financial year 193.0 247.7
     
Balance sheet related items    
Accounts receivables related to percentage of completion based contract sales 30.9 41.9
Unbilled related to percentage of completion based contract sales less recognized losses 13.8 18.2
Gross amounts due from customers related to work in progress contracts 44.7 60.1
     
Unearned related to percentage of completion based contract sales less recognized losses 13.9 12.7