| Catalan | Spanish | English | Others | |
| 2014 | 18,6% | 46,3% | 28,9% | 6,2% |
| 2013 | 20,3% | 45,5% | 30,4% | 3,7% |
| 2012 | 23,7% | 48,7% | 25,0% | 2,5% |
| 2011 | 26,9% | 48,9% | 22,7% | 1,4% |
| 2010 | 27,2% | 45,8% | 24,4% | 2,6% |
| 2009 | 29,9% | 42,0% | 23,4% | 4,6% |
| 2008 | 33,5% | 41,2% | 23,0% | 2,3% |
| 2007 | 12,6% | 57,3% | 27,3% | 2,8% |
| 2006 | 30,0% | 39,7% | 27,0% | 3,3% |
| 2005 | 20,2% | 49% | 27,1% | 3,7% |
| 2004 | 33,6% | 42,7% | 21,8% | 1,9% |
| 2003 | 34,3% | 38,4% | 24,0% | 3,3% |
| 2002 | 29,9% | 44,5% | 21,7% | 3,9% |
| 2001 | 27,3% | 38,1% | 29,4% | 5,2% |
| 1995 | 37,3% | 36,3% | 20,8% | 5,6% |
Information: GREC