| YEAR | Bc | Bd | Br | Bcdr | Bn |
|
| 2016 | 1.53 | 0.14 | 0.24 | −1.25 | 0.33 | 0.81 |
| 2015 | 1.53 | 0.14 | 0.24 | −1.23 | 0.35 | 0.82 |
| 2014 | 1.53 | 0.14 | 0.23 | −1.21 | 0.38 | 0.83 |
| 2013 | 1.51 | 0.14 | 0.23 | −1.15 | 0.39 | 0.84 |
| 2012 | 1.52 | 0.16 | 0.22 | −1.16 | 0.42 | 0.83 |
| 2011 | 1.53 | 0.17 | 0.22 | −1.16 | 0.42 | 0.83 |
| 2010 | 1.56 | 0.18 | 0.21 | −1.19 | 0.42 | 0.83 |
| 2009 | 1.57 | 0.22 | 0.21 | −1.13 | 0.48 | 0.82 |
| 2008 | 1.52 | 0.23 | 0.22 | −1.09 | 0.50 | 0.82 |
| 2007 | 1.62 | 0.22 | 0.20 | −1.23 | 0.44 | 0.82 |
| 2006 | 1.66 | 0.24 | 0.20 | −1.27 | 0.49 | 0.82 |
| 2005 | 1.72 | 0.25 | 0.19 | −1.33 | 0.52 | 0.82 |
| 2004 | 1.73 | 0.26 | 0.19 | −1.32 | 0.53 | 0.82 |
| 2003 | 1.77 | 0.29 | 0.18 | −1.33 | 0.55 | 0.81 |
| 2002 | 1.77 | 0.32 | 0.19 | −1.26 | 0.56 | 0.81 |
| 2001 | 1.77 | 0.33 | 0.17 | −1.23 | 0.64 | 0.81 |
| 2000 | 1.78 | 0.30 | 0.17 | −1.24 | 0.63 | 0.81 |
| 1999 | 1.81 | 0.31 | 0.16 | −1.27 | 0.65 | 0.81 |
| 1998 | 1.81 | 0.32 | 0.15 | −1.25 | 0.74 | 0.81 |
| 1997 | 1.83 | 0.27 | 0.15 | −1.32 | 0.68 | 0.82 |
| 1996 | 1.85 | 0.27 | 0.14 | −1.31 | 0.73 | 0.81 |
| 1995 | 1.84 | 0.27 | 0.14 | −1.29 | 0.75 | 0.81 |