| Catalan | Spanish | English | Others | |
| 2014 | 7,6% | 33,1% | 57,2% | 2,1% |
| 2013 | 10,9% | 29,2% | 58,7% | 3,6% |
| 2012 | 8,3& | 35,9% | 54,3% | 1,5% |
| 2011 | 8,8% | 30,8% | 59,5% | 0,9% |
| 2010 | 8,7% | 33,8% | 55,9% | 1,6% |
| 2009 | 9,8% | 30,7% | 58,1% | 1,4% |
| 2008 | 10,6% | 30,5% | 57,6% | 1,3% |
| 2007 | 9,9% | 32,0% | 55,9% | 2,2% |
| 2006 | 11,5% | 32,8% | 53,8% | 1,9% |
| 2005 | 7,9% | 36,8% | 54,1% | 1,2% |
| 2004 | 10,7% | 35,1% | 52,6% | 1,6% |
| 2003 | 10,8% | 39,3% | 47,3% | 2,6% |
| 2002 | 13,2% | 35,5% | 49,4% | 1,9% |
| 2001 | 13,1% | 43,1% | 40,0% | 3,8% |
| 1995 | 15,5% | 50,7% | 30,2% | 3,6% |
Information: GREC