Year Percent of GDP 1990 16.363 1991 18.981 1992 13.725 1993 12.967 1994 11.155 1995 18.388 1996 29.78 1997 32.722 1998 26.499 1999 28.309 2000 37.776 2001 33.276 2002 30.227 2003 31.116 2004 32.01 2005 34.947 2006 38.555 2007 33.166 2008 36.715 2009 25.004 2010 26.145 2011 25.333 2012 29.903 2013 23.9 2014 23.644 2015 10.634 2016 7.54 2017 3.47 2018 3.828 2019 3.283 2020 5.716 2021 7.415 2022 8.367 2023 9.036 2024 10.872