| date | ugeo | emission_intensity |
|---|---|---|
| 1990 | European Union (28 countries) | 748 |
| 1991 | European Union (28 countries) | 730 |
| 1992 | European Union (28 countries) | 713 |
| 1993 | European Union (28 countries) | 705 |
| 1994 | European Union (28 countries) | 713 |
| 1995 | European Union (28 countries) | 687 |
| 1996 | European Union (28 countries) | 670 |
| 1997 | European Union (28 countries) | 670 |
| 1998 | European Union (28 countries) | 670 |
| 1999 | European Union (28 countries) | 653 |
| 2000 | European Union (28 countries) | 636 |
| 2001 | European Union (28 countries) | 636 |
| 2002 | European Union (28 countries) | 627 |
| 2003 | European Union (28 countries) | 627 |
| 2004 | European Union (28 countries) | 610 |
| 2005 | European Union (28 countries) | 601 |
| 2006 | European Union (28 countries) | 593 |
| 2007 | European Union (28 countries) | 593 |
| 2008 | European Union (28 countries) | 567 |
| 2009 | European Union (28 countries) | 558 |
| 2010 | European Union (28 countries) | 541 |
| 2011 | European Union (28 countries) | 550 |
| 2012 | European Union (28 countries) | 567 |
| 2013 | European Union (28 countries) | 558 |