1979,0.92,0.498,0.543 1980,0.89,0.496,0.581 1981,0.78,0.472,0.473 1982,0.89,0.572,0.548 1983,1.55,1.242,1.229 1984,0.62,0.332,0.336 1985,0.12,-0.228,-0.264 1986,0.44,0.143,0.060 1987,0.16,-0.139,-0.105 1988,0.31,0.039,0.048 1989,0.57,0.314,0.323 1990,0.36,0.091,0.097 1991,0.13,-0.151,-0.119 1992,1.27,1.054,1.037 1993,0.90,0.671,0.623 1994,0.12,-0.115,-0.188 1995,0.09,-0.117,-0.151 1996,-0.05,-0.248,-0.293 1997,0.00,-0.189,-0.245 1998,-0.08,-0.257,-0.279 1999,-0.19,-0.387,-0.375 2000,0.14,-0.070,-0.085 2001,-0.24,-0.433,-0.342 2002,0.08,-0.110,-0.104 2003,0.16,-0.041,-0.027 2004,-0.26,-0.455,-0.427 2005,0.15,-0.044,-0.041 2006,-0.40,-0.559,-0.510 2007,-0.03,-0.191,-0.191 2008,-0.18,-0.336,-0.317 2009,-0.40,-0.530,-0.469 2010,-0.22,-0.330,-0.243 2011,0.09,-0.081,-0.092 2012,-0.44,-0.581,-0.539 2013,-0.23,-0.363,-0.280 2014,0.08,-0.087,-0.051 2015,-0.09,-0.249,-0.265 2016,0.02,-0.202,-0.208 2017,-0.19,-0.302,-0.297 2018,-0.32,-0.423,-0.398 2019,-0.37,-0.466,-0.433 2020,0.46,0.298,0.321 2021,-0.26,-0.459,-0.405