Year Percent of GDP 1992 25.273 1993 52.022 1994 38.969 1995 62.837 1996 53.125 1997 46.549 1998 68.097 1999 82.081 2000 74.158 2001 69.047 2002 62.558 2003 67.009 2004 54.841 2005 57.487 2006 41.156 2007 39.94 2008 42.132 2009 30.606 2010 35.05 2011 33.852 2012 31.021 2013 30.822 2014 29.987 2015 29.585 2016 29.618 2017 29.216 2018 28.344 2019 27.853 2020 27.73 2021 27.212 2022 26.7 2023 26.258 2024 25.834