Over the last 10 years, the average return was 6.5%.
The results for the last 10 years are shown below.
As at 31 December 2017, the value of the total invested assets was € 25.5 billion.
| Year | Returns |
| 2017 | 6.7% |
| 2016 | 10.9% |
| 2015 | 1.4% |
| 2014 | 18,3% |
| 2013 | 1,7% |
| 2012 | 13,0% |
| 2011 | 6,6% |
| 2010 | 10,7% |
| 2009 | 16,0% |
| 2008 | - 20,7% |
| 2007 | 5,5% |
