| Year | Volume | Number |
|---|---|---|
| 2014 | 58 | 1 2 3 4 5 6 7 8 9 |
| 2013 | 57 | 1 2 3 4 5 6 7 8 9 |
| 2012 | 56 | 1 2 3 4 5 6 7 8 9 |
| 2011 | 55 | 1 2 3 4 5 6 7 8 9 |
| 2010 | 54 | 1 2 3 4 5 6 7 8 9 |
| 2009 | 53 | 1 2 3 4 5 6 7 8 9 |
| 2008 | 52 | 1 2 3 4 5 6 7 8 9 |
| 2007 | 51 | 1 2 3 4 5 6 7 8 9 |
| 2006 | 50 | 1 2 3 4 5 6 |
| 2005 | 49 | 1 2 3 4 5 6 |
| 2004 | 48 | 1 2 3 4 5 6 |
| 2003 | 47 | 1 2 3 4 5 6 |
| 2002 | 46 | 1 2 3 4 5 6 |
| 2001 | 45 | 1 2 3 4 5 6 |
| 2000 | 44 | 1 2 3 4 5 6 |
| 1999 | 43 | 1 2 3 4 5 6 |
| 1998 | 42 | 4 6 |
