Year % GDP 1994 4.046086949095481 1995 3.813288277199818 1996 3.293884716726632 1997 4.009760838333474 1998 3.973113540930445 1999 4.209040023084172 2000 4.949189643235521 2001 6.201093621605504 2002 6.547630685320002 2003 7.729646644893544 2004 9.722486572397784 2005 15.465465497516673 2006 22.41459320412267 2007 30.030201092044972 2008 35.43985431341123 2009 36.917275092312856 2010 37.50751223132429 2011 39.46105869182792 2012 39.061052167186496 2013 38.008137458307196 2014 37.53014573874529 2015 35.47776034001089 2016 34.699306407765405 2017 32.67349014374737 2018 30.653200060854207 2019 31.472836488247186 2020 35.208149832155705 2021 33.91549736292931 2022 31.52353298518149 2023 30.612451553491184