Català
Castellà
Anglès
1995-96
95,00%
5,00%
-
1996-97
68,15%
31,85%
-
1997-98
67,68%
32,32%
-
1998-99
68,79%
30,34%
0,87%
1999-2000
67,47%
32,53%
-
2000-2001
67,03%
30,47%
2,50%
2001-2002
80,70%
19,30%
-
2002-2003
66,82%
29,84%
3,34%
2003-2004
69,41%
30,59%
-
2004-2005
68,29%
31,71%
-
2005-2006
61,51%
34,40%
4,09%

2006-2007 

64,46% 

32,23% 

3,31% 

 2007-2008

65,55%

31,93%

2,52%