1989 -3.0 -6.3 -12.4 -16.4 -22.2 -18.0 -19.4 -16.4 -13.0 -11.5 -10.0 -0.3 1990 -0.6 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 1991 -999.0 -3.8 -999.0 -10.7 -16.3 -13.8 -13.4 -15.5 -20.2 -14.1 -7.3 -0.2 1992 -0.3 -3.4 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 1993 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 1994 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 1995 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 1996 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 1997 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 1998 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 1999 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 2000 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 2001 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 2002 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 -999.0 2003 -999.0 -999.0 -999.0 -15.1 -19.8 -15.6 -21.1 -19.3 -16.4 -14.6 -8.2 -1.5 2004 -0.6 -2.9 -9.9 -15.6 -15.5 -19.1 -24.2 -17.9 -19.4 -12.4 -6.2 -0.9 2005 -0.6 -5.5 -8.4 -16.7 -19.2 -16.5 -22.3 -20.9 -16.8 -12.9 -8.0 0.2 2006 -1.7 -5.3 -9.1 -10.5 -19.8 -15.6 -21.3 -14.8 -16.9 -15.2 -6.7 -2.9 2007 -1.3 -4.0 -9.6 -11.6 -11.7 -14.3 -12.8 -15.4 -17.8 -15.3 -6.0 -3.6 2008 -3.5 -5.6 -10.3 -14.0 -16.3 -18.5 -16.9 -25.7 -22.9 -17.1 -8.6 -2.5 2009 -2.8 -4.3 -9.6 -15.6 -15.3 -16.2 -16.5 -20.4 -15.0 -15.3 -7.6 -3.6 2010 -0.2 -4.2 -5.1 -17.9 -17.0 -15.8 -22.3 -22.5 -13.0 -15.7 -9.4 -3.0 2011 -1.3 -7.0 -9.1 -11.7 -18.1 -18.8 -15.4 -16.7 -17.3 -17.1 -7.2 -3.8 2012 -2.5 -5.1 -11.0 -13.1 -19.7 -17.5 -23.0 -20.3 -18.9 -13.0 -7.0 -2.5 2013 -1.2 -5.0 -13.7 -17.4 -19.6 -16.2 -18.1 -21.0 -13.5 -12.8 -7.4 -3.1 2014 -0.8 -4.9 -12.1 -16.9 -12.9 -21.6 -20.7 -18.7 -14.0 -18.8 -5.4 -2.6 2015 -1.8 -4.1 -10.3 -17.7 -24.2 -17.3 -25.3 -21.0 -19.1 -15.1 -7.4 -2.4 2016 -2.5 -6.3 -12.5 -16.0 -17.6 -23.0 -21.8 -17.0 -24.4 -14.1 -5.0 -1.1 2017 -1.4 -4.5 -10.3 -17.4 -15.5 -21.9 -19.5 -21.1 -21.0 -15.6 -7.0 -3.6 2018 -2.1 -4.9 -11.0 -11.3 -16.3 -14.8 -15.4 -15.4 -19.4 -14.7 -10.1 -3.2 2019 -2.3 -3.7 -9.3 -16.5 -18.7 -20.7 -20.4 -16.8 -17.0 -13.9 -6.3 -2.3 2020 -0.9 -4.8 -13.3 -13.4 -15.2 -16.4 -17.7 -17.1 -14.5 -13.5 -5.9 -3.8 2021 -3.6 -5.7 -9.6 -13.7 -19.0 -20.6 -17.4 -14.8 -16.7 -11.2 -10.1 -1.7 2022 -2.8 -4.5 -8.9 -14.9 -20.0 -12.3 -17.5 -16.2 -15.4 -9.7 -4.9 -3.2 2023 -3.4 -4.9 -9.8 -11.7 -19.9 -15.4 -21.6 -24.1 -14.7 -14.3 -8.5 -3.6