Year annual % 1990 -1.456495719900218 1991 -5.898482528005843 1992 -9.546961280639593 1993 -4.652971608515884 1994 -8.42389158045475 1995 -0.14200824516315436 1996 1.0176644312446967 1997 2.9381021081108116 1998 -0.6390033882855306 1999 2.4668508054469243 2000 7.359705757590504 2001 2.5930875533967708 2002 5.011978403326083 2003 6.181247349010775 2004 7.868131865869785 2005 6.643260645197117 2006 7.853186716487997 2007 7.627536584282453 2008 4.456298033864044 2009 -4.672515640302549 2010 4.632624629612451 2011 5.928483400330748 2012 3.4560228652553917 2013 3.3915056821888925 2014 2.337771273054628 2015 1.4881572338697708 2016 1.8525064629824044 2017 4.292532146332746 2018 3.6947193680378234 2019 2.657142840416654 2020 -1.462895369026782 2021 7.3864681652347315 2022 1.7679775051660016 2023 3.444980205516572