1992 | 16.95 | 19.33 | 0.88 | 1992 | 1.29 | 21.26 | 0.06 |
1993 | 14.77 | 20.37 | 0.73 | 1993 | 1.86 | 21.28 | 0.09 |
1994 | 15.94 | 20.40 | 0.78 | 1994 | 1.16 | 20.02 | 0.06 |
1995 | 16.41 | 19.88 | 0.83 | 1995 | 2.48 | 21.22 | 0.12 |
1996 | 16.74 | 20.10 | 0.83 | 1996 | 3.37 | 21.13 | 0.16 |
1997 | 16.24 | 19.75 | 0.82 | 1997 | 3.75 | 20.03 | 0.19 |
1998 | 15.33 | 19.87 | 0.77 | 1998 | 1.89 | 18.69 | 0.10 |
1999 | 15.06 | 19.71 | 0.76 | 1999 | 4.81 | 19.68 | 0.24 |
2000 | 14.12 | 19.54 | 0.72 | 2000 | 5.88 | 23.37 | 0.25 |
2001 | 14.24 | 19.81 | 0.72 | 2001 | 5.18 | 20.49 | 0.25 |
2002 | 14.63 | 19.39 | 0.75 | 2002 | 4.29 | 19.65 | 0.22 |
2003 | 13.38 | 19.76 | 0.68 | 2003 | 4.30 | 19.19 | 0.22 |
2004 | 14.19 | 19.48 | 0.73 | 2004 | 4.21 | 19.61 | 0.21 |
2005 | 13.88 | 19.32 | 0.72 | 2005 | 5.92 | 19.92 | 0.30 |
2006 | 14.65 | 19.66 | 0.75 | 2006 | 5.97 | 19.78 | 0.30 |
2007 | 15.06 | 20.10 | 0.75 | 2007 | 5.64 | 19.13 | 0.29 |
2008 | 14.99 | 19.99 | 0.75 | 2008 | 5.40 | 19.92 | 0.27 |
2009 | 16.48 | 19.74 | 0.83 | 2009 | 6.82 | 19.74 | 0.35 |
2010 | 15.65 | 19.45 | 0.80 | 2010 | 7.90 | 19.95 | 0.40 |
2011 | 12.33 | 19.48 | 0.63 | 2011 | 7.77 | 20.01 | 0.39 |
2012 | 16.18 | 20.26 | 0.80 | 2012 | 7.70 | 20.07 | 0.38 |
2013 | 15.59 | 20.67 | 0.75 | 2013 | 6.95 | 19.71 | 0.35 |
2014 | 14.74 | 20.84 | 0.71 | 2014 | 8.78 | 19.56 | 0.45 |
2015 | 15.08 | 19.91 | 0.76 | 2015 | 10.02 | 19.38 | 0.52 |
2016 | 15.55 | 20.59 | 0.76 | 2016 | 9.15 | 20.10 | 0.46 |
2017 | 15.39 | 19.94 | 0.77 | 2017 | 9.18 | 19.60 | 0.47 |
Ave. | 15.20 | 19.89 | 0.76 | Ave. | 5.32 | 20.15 | 0.27 |