Year annual % 1980 13.912665228118357 1981 15.682220076543814 1982 8.096972313194968 1983 2.7976038871088633 1984 12.16622313334608 1985 -3.4501515205864592 1986 -2.9725271942026694 1987 16.475182339151303 1988 9.796055393620435 1989 6.448661887132289 1990 -0.9681043723461471 1991 10.267848542402461 1992 2.7861810511520986 1993 2.062659872134759 1994 2.3103001062972908 1995 1.7319388222901893 1996 2.085194743605328 1997 3.1770227925516252 1998 4.593925213805349 1999 3.0786389989836636 2000 2.1789705814129263 2001 3.6249055294183705 2002 2.874421234072287 2003 0.7987427861845191 2004 2.1168781943607655 2005 0.41954189687101007 2006 3.872717159543896 2007 5.776960147173497 2008 7.164570574880443 2009 2.554714312115564 2010 1.4717088033394816 2011 2.7869098819282954 2012 -0.4640356924437441 2013 3.0071862496078126 2014 1.3918106721693988 2015 5.863819797551841 2016 1.5769840770509802 2017 5.3640869292044755 2018 3.2066452746209393 2019 3.2793628304666527 2020 2.785341843297374 2021 0.6997155465435583 2022 11.225517186190842 2023 11.310021326912363