Year annual % 1978 5.910928029108334 1979 6.232977310929911 1980 -0.1110725901446159 1981 1.1247324565830183 1982 2.7091018979966464 1983 1.898275391427191 1984 2.070320744442668 1985 4.970237114233981 1986 6.857475572702555 1987 9.41626164055971 1988 3.7111274747150986 1989 4.450633391009305 1990 4.198485597192487 1991 0.6629458916619768 1992 -2.109153777118891 1993 -3.0459977327517294 1994 0.7069193954200443 1995 1.2599122533603975 1996 3.655291613895173 1997 4.316047975951818 1998 11.068460332335931 1999 6.274922914143374 2000 4.293373585877021 2001 -2.4813929474382377 2002 3.155389421557487 2003 8.951584590630077 2004 -1.3514349261392624 2005 12.517958905953222 2006 -4.630238586552366 2007 5.423401868441786 2008 0.27173491498615476 2009 -7.249058794866471 2010 -1.2003507094172647 2011 -0.0059693789739156955 2012 -2.0024819875579283 2013 1.4470090497318466 2014 6.407661873551149 2015 5.543417928137458 2016 2.8869686300227357 2017 3.613848424715485 2018 3.575975753379936 2019 -0.050317482799627555 2020 -14.411486943499057 2021 3.8918835796144293 2022 6.612330299429132 2023 4.190479937999655