Year annual % 1991 99.2954227330503 1992 594.846712426455 1993 1466.78950777082 1994 111.758749841777 1995 23.529840162974 1996 3.85310354029285 1997 6.8904096212211 1998 8.17760236408833 1999 3.51334788172457 2000 4.33923665155002 2001 4.22706028814461 2002 3.84427442716755 2003 4.3003787301563 2004 3.62993317581923 2005 3.115914979951 2006 3.88021393036246 2007 4.27463088131752 2008 5.51094593665616 2009 2.97975458150135 2010 0.929960423928904 2011 1.66783470459721 2012 1.42118013612756 2013 0.718411584782814 2014 0.144838051610051 2015 0.121551145173555 2016 -0.0165165912473526 2017 1.2310186319763 2018 2.01930977648396 2019 1.992454583873 2020 0.827584196459782 2021 2.13441300829373 2022 8.5535871319272 2023 8.52265220762267