Català
Castellà
Anglès
1993-94
78,70%
21,30%
-
1994-95
82,86%
17,14%
-
1995-96
75,52%
24,48%
-
1996-97
73,81%
26,19%
-
1997-98
67,00%
33,00%
-
1998-99
71,05%
28,95%
-
1999-2000
61,93%
38,07%
-
2000-2001
68,75%
31,25%
-
2001-2002
76,64%
23,36%
-
2002-2003
78,46%
21,54%
-
2003-2004
71,98%
28,02%
-
2004-2005
60,11%
39,89%
-
2005-2006
74,79%
25,21%
-

 2006-2007

88,37% 

11,63% 

2007-2008 

81,40% 

18,60% 

 -