Year annual % 1988 -1.8773064706232248 1989 6.986030691175088 1990 7.975698816633553 1991 134.7715736146525 1992 830.1129230376673 1993 754.4279561320849 1994 180.87492991767783 1995 42.0310892328294 1996 35.342907906788696 1997 19.30954841211934 1998 9.077506283751461 1999 37.57444046995303 2000 27.161738047337394 2001 7.3329741542645905 2002 2.0252955922844365 2003 3.9745624299609545 2004 5.108694780758867 2005 7.12862226955437 2006 9.391617794683157 2007 14.87655222077828 2008 22.215988411373914 2009 4.035303861572871 2010 10.03390354196685 2011 22.48184224489364 2012 8.656316808811866 2013 3.1751881360427205 2014 8.415225436213888 2015 3.427287502889527 2016 6.050564270556052 2017 6.32714586262388 2018 3.447445115892563 2019 9.811311947474593 2020 5.340185535087286 2021 15.992797923604016 2022 19.657284242177425 2023 13.41574140751844