| Year | Volume | Number | Holdings | ||
|---|---|---|---|---|---|
| 2002 | 24 | 3 /4 | Yes | ||
| 2002 | 24 | 2 | Yes | ||
| 2002 | 24 | 1 | Yes | ||
| 2001 | 23 | 4 | Yes | ||
| 2001 | 23 | 3 | Yes | ||
| 2001 | 23 | 2 | Yes | ||
| 2001 | 23 | 1 | Yes | ||
| 2000 | 22 | 4 | Yes | ||
| 2000 | 22 | 3 | Yes | ||
| 2000 | 22 | 2 | Yes | ||
| 2000 | 22 | 1 | Yes | ||
| 1999 | 21 | 4 | Yes | ||
| 1999 | 21 | 3 | Yes | ||
| 1999 | 21 | 2 | Yes | ||
| 1999 | 21 | 1 | Yes | ||
| 1998 | 20 | 4 | Yes | ||
| 1998 | 20 | 3 | Yes | ||
| 1998 | 20 | 2 | Yes | ||
| 1998 | 20 | 1 | Yes | ||
| 1997 | 19 | 4 | Yes | ||
| 1997 | 19 | 1 -3 | Yes |