Year annual % 1990 2.64247754881106 1991 10.710655980836 1992 5.7419426529918 1993 11.9128847596645 1994 11.0926013773148 1995 2.84192009964903 1996 1.85706349141468 1997 12.0770633850975 1998 18.4516129936588 1999 4.7745193014141 2000 6.35158675801333 2001 5.82661894343531 2002 6.71479106467613 2003 4.48547961816969 2004 10.9375404710505 2005 14.5852591731795 2006 14.0910628576721 2007 8.89558566221676 2008 10.716317113644 2009 -0.358928161732948 2010 22.3431687302328 2011 15.9037379073025 2012 0.987753374875126 2013 3.01268636590652 2014 -7.09151591107961 2015 -4.79390857827042 2016 11.2101297589288 2017 1.58393834021398 2018 4.55445730909456 2019 5.32804485029229 2020 6.44087328425378 2021 7.46487310504125 2022 1.83593336515511 2023 2.69446990020931