| 2008 | 2009 | 2010 | 2011 | 2012 | 2013 |
Overall balance excluding donations (ordering basis) | 751.1 | 337.7 | 5.0 | 131.0 | 179.8 | 153.8 |
Overall balance including donations (ordering basis) | 751.3 | 338.4 | 5.0 | 131.0 | 179.8 | 147.8 |
Financial savings on oil resources (EFRP) | 593.9 | −52.0 | 148.6 | 535.4 | 674.5 | 302.1 |
Reference budget balance (as a % of GDP) | 5.4 | 5.6 | 0.3 | −1.3 | −3.1 | −0.2 |