Català
Castellà
Anglès
1990-91
60,10%
39,90%
-
1991-92
73,50%
26,50%
-
1992-93
61,60%
38,40%
-
1993-94
65,13%
34,87%
-
1994-95
67,15%
32,85%
-
1995-96
68,88%
31,12%
-
1996-97
61,70%
38,30%
-
1997-98
54,92%
45,08%
-
1998-99
58,05%
41,95%
-
1999-2000
49,81%
50,19%
-
2000-2001
56,00%
41,91%
2,09%
2001-2002
74,65%
24,08%
1,27%
2002-2003
67,80%
26,69%
2,51%
2003-2004
53,90%
42,43%
3,67%
2004-2005
49,02%
46,27%
4,71%
2005-2006
57,93%
37,12%
4,95%

2006-2007 

56,72% 

38,81% 

4,48% 

2007-2008 

52,61% 

42,91% 

4,48%