Català
Castellà
Anglès
1991-92
100,00%
-
-
1992-93
94,20%
5,80%
-
1993-94
88,72%
11,28%
-
1994-95
86,17%
13,83%
-
1995-96
83,07%
16,93%
-
1996-97
86,82%
13,18%
-
1997-98
91,22%
8,78%
-
1998-99
85,69%
14,31%
-
1999-2000
83,84%
16,16%
-
2000-2001
78,21%
21,79%
-
2001-2002
87,32%
12,68%
-
2002-2003
78,65%
21,35%
-
2003-2004
81,60%
18,40%
-
2004-2005
78,40%
21,60%
-
2005-2006
extingida