Year annual % 1991 -14.573802443896128 1992 -6.721488478531285 1993 1.901328123563701 1994 6.205531202723165 1995 5.843494233658646 1996 6.619898120507145 1997 5.925837083629972 1998 4.076097478878765 1999 -0.1059149621216875 2000 1.1665265182411133 2001 3.2537839810897538 2002 4.509444137870247 2003 5.4990830769915675 2004 5.278880717801442 2005 6.62346125850533 2006 8.493176745338445 2007 10.832028812965277 2008 5.574886345113001 2009 -5.455532867159789 2010 6.7166327498308505 2011 2.671452779095148 2012 1.3188022455628072 2013 0.6327400072941884 2014 2.697189807071254 2015 5.16718160614154 2016 1.9439508610233673 2017 2.9380686778490315 2018 4.030389714253488 2019 2.511256197763771 2020 -3.3297232096640528 2021 4.771221424503167 2022 1.8700361987101815 2023 1.5964549711513882