| Year | Amount of Minimum Supplements (Euros) |
| 2006 | 4,817,638,284.35 |
| 2007 | 5,400,114,728.20 |
| 2008 | 5,907,480,086.33 |
| 2009 | 6,426,319,849.82 |
| 2010 | 7,008,046,999.91 |
| 2011 | 7,486,601,051.37 |
| 2012 | 7,472,659,403.16 |
| 2013 | 7,511,338,299.25 |
| 2014 | 7,416,929,056.02 |
| 2015 | n.a |