| Año | Volumen | Número | ||
|---|---|---|---|---|
| 2009 | 25 | 1 | ||
| 2008 | 24 | 3 | 4 | |
| 2007 | 23 | 1 | 3 | |
| 2006 | 22 | 1 | 3 | |
| 2005 | 21 | 1 | 2 | 3 |
| 2004 | 20 | 1 | 2 | |
| 2003 | 19 | 1 | 2 | 3 |
| 2002 | 19 | 2 | ||
| 2002 | 18 | 1 | 2 | 3 |
| 2001 | 17 | 1 | 2 | 3 |
| 2000 | 16 | 1 | 3 | |
| 2000 | 15 | 2 | ||
| 1999 | 15 | 1 | 2 | 3 |
| 1998 | 14 | 1 | 2 | 3 |
| 1997 | 13 | 2 | ||
| 1996 | 12 | 1 | ||
| 1995 | 11 | 1 | 2 | 3 |
| 1993 | 9 | 1 | ||
| 1988 | 4 | 1 | ||
| 1987 | 3 | 1 | 2 | |
| 1986 | 2 | 1 | 2 | 3 |