| 2015 | 4.25 |
| 2006 | 4.07 |
| 1994 | 3.94 |
| 2001 | 4.28 |
| 1996 | 4.21 |
| 2001 | 3.91 |
| 2001 | 4.02 |
| 2006 | 4.22 |
| 1988 | 4.01 |
| 1999 | 4.17 |
| 1997 | 3.96 |
| 2002 | 4.42 |
| 1989 | 3.73 |
| 1991 | 4.09 |
| 1992 | 4.29 |
| 1990 | 3.4 |
| 2005 | 4.22 |
| 1988 | 3.77 |
| 2003 | 4.24 |
| 1995 | 4.18 |
| 1992 | 4.05 |
| 200 | 3.93 |
| 1995 | 4.01 |
| 2007 | 4.17 |
| 2009 | 4.03 |
| 1994 | 3.93 |
| 1990 | 3.78 |
| 2003 | 4.16 |
| 1996 | 4.28 |
| 1993 | 4.38 |
| 1998 | 3.76 |
| 1989 | 4.22 |
| 2010 | 4.32 |
| 2011 | 3.98 |
| 2004 | 4.31 |
| 2013 | 3.7 |
| 1999 | 4.23 |
| 2012 | 4.38 |
| 4.08 | |
| 2002 | 4.24 |
| 2021 | 4.5 |
| 2018 | 5 |