|   Institute and Year Alternatives  |       3rd Year (13) Doñana  |       4th Year (38) Doñana  |       2nd Bach. (20) Doñana  |       3rd Year (42) La Ribera  |       4th Year (36) La Ribera  |       TOTAL  |    |
|   Did not participate/do not remember  |       03  |       17  |       05  |       26  |       19  |       70  |       47%  |    
|   Yes, participate through media  |       02  |       02  |       00  |       06  |       05  |       15  |       43%  |    
|   Yes, participate on vacations  |       00  |       03  |       03  |       01  |       07  |       14  |    |
|   Yes, has participated every year  |       07  |       09  |       12  |       06  |       02  |       36  |    |
|   Didn’t answer  |       01  |       07  |       00  |       03  |       03  |       14  |       9%  |