Year % of GDP 1992 10.81069272421734 1993 9.603633757961784 1994 3.3338724312783565 1995 1.1858515324772705 1996 1.1660616262899803 1997 2.449473780198208 1998 3.0812004920577807 1999 2.965156057543376 2000 5.899660502036837 2001 5.188781815474979 2002 5.580868722923415 2003 7.001026984603288 2004 9.314499902378092 2005 9.475803944805989 2006 11.63532704974875 2007 14.25839325896934 2008 15.527908382747176 2009 18.937844916084998 2010 17.698515272436122 2011 17.189202474674552 2012 19.73428171959513 2013 25.12397023923206 2014 30.575470651996728 2015 38.418914241449066 2016 31.74863177462384 2017 21.14663132654135 2018 19.919621543887033 2019 22.153416717845275 2020 25.02435441576729 2021 21.952951870933614 2022 17.542910023221147 2023 22.106294874635687