| 2017 | 2016 | 2015 | ||||||||||
| Change in gross pension assets: | ||||||||||||
| Fair value plan asset January 1 | 886 | 744 | 511 | |||||||||
| Interest income | 20 | 17 | 24 | |||||||||
| Settlement | - | (128 | ) | - | ||||||||
| Employer contribution | 313 | 338 | 303 | |||||||||
| Remeasurements (loss)/gain | 16 | (79 | ) | (79 | ) | |||||||
| Exchange rate differences | 47 | (7 | ) | (30 | ) | |||||||
| Fair value plan assets December 31 | 1,282 | 886 | 728 |